Sirichai Chaiyaporn (; born June 9, 1999), known professionally as Samingdet Nor.Anuwatgym (, is a Thai Muay Thai fighter. He is the current Rajadamnern Stadium Lightweight Champion, former Rajadamnern Stadium Super Featherweight Champion, and former WBC Muay Thai World Super Featherweight Champion.
As of October 2024, he is ranked #2 and #5 at Lightweight in Muay Thai according to the World Muaythai Organization (WMO) and Combat Press respectively.
Muay Thai career In April 2019, he took on the #6 ranked Lumpini bantamweight Detchaiya Petchyindee at the Rajadamnern Stadium. Samingdet won the fight by a third round TKO.
Samingdet fought for the 118lbs True4u Muaymumwansuek title against Yothin FA Group in August 2019. The fight ended in a decision draw.
Samingdet was scheduled to fight Dechsakda Sor-Jor Tongprajin in the Rangsit Stadium for the vacant WBC Muaythai World Super Featherweight title in July 2020. The fight was cancelled as Dechsakda had complications cutting weight, and had to be transported to the hospital. The fight was rescheduled for September 2020. He put in a dominating performance, winning the first two rounds 10-9 on the judges' scorecards, before knocking Dechsakda out in the third round with a left elbow.
Titles and accomplishments World Boxing Council Muay Thai 2020 WBC Muay Thai World Featherweight (130 lbs) Champion
Rajadamnern Stadium 2020 Rajadamnern Stadium Super Featherweight (130 lbs) Champion 2023 Rajadamnern World Series Lightweight (135 lbs) Runner-up 2024 Rajadamnern Stadium Lightweight (135 lbs) Champion Three successful title defenses 2026 interim Rajadamnern Stadium Lightweight (135 lbs) Champion One successful title defense
True4U Petchyindee 2022 True4U Super Featherweight (130 lbs) Champion
Channel 7 Stadium 2026 Channel 7 Stadium Lightweight (135 lbs) Champion
International Federation of Muaythai Associations 2021 IFMA World Championships U-23 −63.5 kg
Fight record
|- style="background:#cfc;" | 2026-08-15 || Win||align=left| Duangsompong Jitmuangnon || Rajadamnern World Series, Rajadamnern Stadium || Bangkok, Thailand || Decision (Unanimous) || 5||3:00 |- ! style=background:white colspan=9 | |- style="background:#cfc;" | 2026-06-06 || Win||align=left| Flukenoi Kiatfahlikit|| Rajadamnern World Series, Rajadamnern Stadium || Bangkok, Thailand || Decision (Unanimous) || 5||3:00 |- ! style=background:white colspan=9 | |- style="background:#cfc" | 2026-03-21 || Win ||align="left" | Qin Zhenjie || Rajadamnern World Series || Bangkok, Thailand || KO (High kick)|| 1|| 1:14 |- style="background:#cfc;" | 2026-02-07|| Win||align=left| Superlek Jitmuangnon || Channel 7 Stadium || Bangkok, Thailand || Decision || 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#c5d2ea;" | 2025-12-14|| Draw||align=left| Superlek Jitmuangnon || Channel 7 Stadium || Bangkok, Thailand || Decision || 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2025-11-02|| Win||align=left| NongBew Jitmuangnon || Channel 7 Stadium || Bangkok, Thailand || KO || 2|| |- style="background:#fbb;" | 2025-08-30|| Loss||align=left| Duangsompong Jitmuangnon || Rajadamnern World Series, Rajadamnern Stadium || Bangkok, Thailand || Decision (Unanimous) || 3||3:00 |- style="background:#fbb;" | 2025-06-14 || Loss||align=left| Flukenoi Kiatfahlikit|| Rajadamnern World Series, Rajadamnern Stadium || Bangkok, Thailand ||Decision (Unanimous) || 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2025-05-03 || Win ||align="left" | Juan David Rios || Rajadamnern World Series|| Bangkok, Thailand || KO (Elbow)|| 2 ||0:30
|- style="background:#cfc;" | 2024-11-30 || Win||align=left| Savvas Michael || Rajadamnern World Series || Bangkok, Thailand ||Decision (Split) || 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#fbb;" | 2024-10-10 || Loss || align=left| Lamnamoonlek Tded99 || Petchyindee, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5||3:00
|- style="background:#cfc;" | 2024-08-11 || Win ||align=left| Jaruadsuek SorJor.VichitPadriew || Muaydee VitheeThai, Thupatemi Stadium || Pathum Thani, Thailand || Decision || 5||3:00
|- style="background:#cfc;" | 2024-07-13 || Win||align=left| Savvas Michael || Rajadamnern World Series || Bangkok, Thailand || Decision (Unanimous) || 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2024-05-25 || Win ||align=left| Thongnoi Wor.Sangprapai|| Rajadamnern World Series || Bangkok, Thailand || Decision (Unanimous) || 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2024-04-18|| Win ||align=left| Thanupetch Wor.Sangprapai || Petchyindee, Rajadamnern Stadium || Bangkok, Thailand ||Decision || 5||3:00
|- style="background:#cfc;" | 2024-03-23 || Win ||align=left| Jom Parunchai|| Rajadamnern World Series || Bangkok, Thailand || Decision (Unanimous) || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2024-02-12 || Win ||align=left| Yota Shigemori || Rajadamnern World Series Japan || Tokyo, Japan || Decision (Unanimous) || 3 || 3:00
|- style="background:#c5d2ea;" | 2023-12-27||Draw ||align=left| Chalam Parunchai || Rajadamnern Stadium 78th Birthday Show || Bangkok, Thailand ||Decision || 5||3:00
|- style="background:#fbb;" | 2023-09-30|| Loss ||align=left| Lamnamoonlek Tded99 || Rajadamnern World Series - Final || Bangkok, Thailand ||Decision (Unanimous)|| 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2023-08-26|| Win||align=left| Petchdam Petchyindee Academy || Rajadamnern World Series - Final 4|| Bangkok, Thailand ||Decision (Unanimous)|| 3||3:00
|- style="background:#cfc;" | 2023-07-22|| Win||align=left| Diae Bezhad Warrior Academy || Rajadamnern World Series - Group Stage|| Bangkok, Thailand ||Decision (Unanimous)|| 3||3:00
|- style="background:#fbb;" | 2023-06-17|| Loss||align=left| Lamnamoonlek Or.Atchariya || Rajadamnern World Series - Group Stage|| Bangkok, Thailand || Decision (Unanimous)|| 3||3:00
|- style="background:#cfc;" | 2023-05-13|| Win ||align=left| Renta Wor.Wanchai || Rajadamnern World Series - Group Stage|| Bangkok, Thailand || Decision (Unanimous)|| 3||3:00
|- style="background:#fbb;" | 2023-04-11|| Loss||align=left| Kompatak SinbiMuayThai || Muaymansananmuang Mahasarakham|| Maha Sarakham province, Thailand || Decision || 5||3:00
|- style="background:#cfc;" | 2023-02-27|| Win ||align=left| Khim Bora || Kun Khmer All Star || Phnom Penh, Cambodia || Decision || 3|| 3:00
|- style="background:#cfc;" | 2023-02-16|| Win ||align=left| Flukenoi Kiatfahlikit || Petchyindee, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5|| 3:00
|- style="background:#fbb;" | 2022-11-12|| Loss ||align=left| Thongnoi Wor.Sangprapai || Muay Thai Vithee Tin Thai + Petchyindee Sanjorn|| Chiang Rai province, Thailand || KO || 5||
|- style="background:#cfc;" | 2022-10-21 || Win ||align=left| NuengUbon Or.Atchariya || Muaymanwansuk, Rangsit Stadium || Pathum Thani, Thailand || KO (Elbows)|| 3||
|- style="background:#cfc;" | 2022-09-17 || Win ||align=left| Songkom Bangkokalaiyon|| Muay Thai Witee Tin Thai Muang Nam Dam || Kalasin Province, Thailand || KO (Left Elbow) ||3 ||
|- style="background:#fbb;" | 2022-07-01 || Loss ||align=left| Kompatak Or.Atchariya|| True4U Muaymanwansuk, Rangsit Stadium || Pathum Thani, Thailand ||Decision ||5 ||3:00 |- ! style=background:white colspan=9 |
|- style="background:#fbb;" | 2022-05-12 || Loss ||align=left| Chorfah Tor.Sangtiennoi ||Petchyindee, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2022-03-24 || Loss ||align=left| Nabil VenumMuayThai|| Petchyindee, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5||3:00
|- style="background:#cfc;" | 2022-02-11 || Win ||align=left| Kompatak Or.Atchariya|| True4U Muaymanwansuk, Rangsit Stadium || Pathum Thani, Thailand || Decision|| 5||3:00 |- ! style=background:white colspan=9 |
|- style="background:#c5d2ea;" | 2021-12-16 || Draw||align=left| Flukenoi Kiatfahlikit || Petchyindee, Rangsit Stadium || Rangsit, Thailand || Decision ||5 || 3:00
|- style="background:#fbb;" | 2021-03-11 || Loss||align=left| Kompatak SinbiMuayThai ||True4U Muaymanwansuk, Rangsit Stadium || Pathum Thani, Thailand || Decision ||5 || 3:00
|- style="background:#fbb;" | 2020-10-23 || Loss||align=left| Rangkhao Wor.Sangprapai ||True4U Muaymanwansuk, Rangsit Stadium || Pathum Thani, Thailand || Decision ||5 || 3:00
|- style="background:#cfc;" | 2020-09-18 || Win ||align=left| Dechsakda Sor-Jor Tongprajin || Petchyindee, Rangsit Stadium || Pathum Thani, Thailand || KO (Left Elbow) ||3 || |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2020-07-10 || Win||align=left| Thanapetch Wor.Sangprapai ||True4U Muaymanwansuk, Rangsit Stadium ||Pathum Thani, Thailand ||Decision ||5 || 3:00
|- style="background:#fbb;" | 2020-01-31|| Loss ||align=left| Pompetch Sor.Samakphong || Phuket Super Fight Real Muay Thai || Mueang Phuket District, Thailand || Decision ||5 || 3:00
|- style="background:#cfc;" | 2020-01-02|| Win ||align=left| Thanapetch Wor.Sangprapai || Rajadamnern Stadium ||Bangkok, Thailand || KO (Left Elbow)|| 3 || |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2019-11-21 || Win||align=left| Yothin FA Group || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2019-10-24|| Win ||align=left| Flukenoi Muayded789 || Rajadamnern Stadium ||Bangkok, Thailand || KO (Left Elbow)|| 4 ||
|- style="background:#fbb;" | 2019-10-03|| Loss ||align=left| Yothin FA Group || Rajadamnern Stadium ||Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#c5d2ea;" | 2019-08-09|| Draw ||align=left| Yothin FA Group || Petchyindee True4U Lumpinee Stadium ||Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2019-06-13|| Win ||align=left| Detchaiya PetchyindeeAcademy || Rajadamnern Stadium || Bangkok, Thailand || TKO (Right Elbow)|| 3 ||
|- style="background:#cfc;" | 2019-04-04|| Win ||align=left| Puenkol Diamond98 || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#fbb;" | 2019-03-01|| Loss ||align=left| Boonlong PetchyindeeAcademy || Lumpinee Stadium ||Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#c5d2ea;" | 2019-01-30|| Draw ||align=left| Kimluay Santi-Ubon || Lumpinee Stadium ||Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2018-12-26|| Win ||align=left| Boonlong PetchyindeeAcademy || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2018-11-26|| Win ||align=left| Thongnoi Lukbanyai || Rajadamnern Stadium || Bangkok, Thailand || KO (Left High Kick)|| 4 ||
|- style="background:#cfc;" | 2018-10-10|| Win ||align=left| Thongnoi Lukbanyai || Rajadamnern Stadium || Bangkok, Thailand || KO (Left Elbow)|| 3 ||
|- style="background:#cfc;" | 2018-09-13|| Win ||align=left| Kimluay Santi-Ubon || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2018-08-17|| Win ||align=left| Yodwitthaya Sor.Sirilak || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2018-07-06|| Win ||align=left| Kaemphet Pumphanmuang || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2018-04-09|| Loss ||align=left| Saenson Erawan || Rajadamnern Stadium || Bangkok, Thailand || KO (Knees to the thigh) || 4 ||
|- style="background:#fbb;" | 2018-01-10|| Loss ||align=left| Thongnoi Lukbanyai || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;"