Kasidit Samrej (; born 26 January 2001) is a Thai tennis player. He has a career high ATP singles ranking of world No. 346 achieved on 25 August 2025 and a career high ATP doubles ranking of No. 673 achieved on 18 May 2026. He is currently the No. 1 Thai player.
Samrej represents Thailand at the Davis Cup, where he has a W/L record of 10–8.
Samrej won the Asia-Pacific Wildcard Playoff for the 2025 Australian Open, making him the first Thai man to compete in the singles event in a Grand Slam tournament since Danai Udomchoke at the 2012 Australian Open. He lost in the first round to fifth seed Daniil Medvedev in five sets.
Performance timeline
Singles Tournament20252026SRW–LWin %Grand Slam tournamentsAustralian Open1R0 / 10–1French Open0 / 00–0Wimbledon0 / 00–0US Open0 / 00–0Win–loss0–00–00 / 00–0
ATP Challenger and ITF World Tennis Tour finals
Singles: 13 (6–7) LegendATP Challenger Tour (0–1)ITF World Tennis Tour (6–6)Finals by surfaceHard (6–7)Clay (0–0)Grass (0–0)Carpet (0–0)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0M25 Chiang Rai, ThailandWorld Tennis TourHard Konstantin Kravchuk6–3, 7–6(7–3)Loss1–1M25 Nakhon Si Thammarat, ThailandWorld Tennis TourHard Hiroki Moriya6–2, 2–6, 2–6Loss1–2M15 Nakhon Si Thammarat, ThailandWorld Tennis TourHard Grigoriy Lomakin6–7(2–7), 6–4, 3–6Win2–2M15 Nakhon Si Thammarat, ThailandWorld Tennis TourHard Mitsuki Wei Kang Leong6–4, 6–3Win3–2M15 Nakhon Si Thammarat, ThailandWorld Tennis TourHard Pawit Sornlaksup6–3, 6–2Loss3–3M15 Nakhon Si Thammarat, ThailandWorld Tennis TourHard Ilia Simakin3–6, 4–6Win4–3M25 Nakhon Si Thammarat, ThailandWorld Tennis TourHard Sasikumar Mukund6–3, 6–3Loss4–4M15 Ma'anshan, ChinaWorld Tennis TourHard Koki Matsuda1–6, 6–7(7–9)Loss4–5M15 Ma'anshan, ChinaWorld Tennis TourHard Akira Santillan6–3, 3–6, 6–7(5–7)Win5–5M15 Singapore, SingaporeWorld Tennis TourHard (i) Sora Fukuda6–1, 5–7, 6–2Win6–5M15 Singapore, SingaporeWorld Tennis TourHard (i) Koki Matsuda2–6, 7–5, 7–5Loss6–6M25 Nakhon Pathom, ThailandWorld Tennis TourHard Chung Hyeon4–6, 2–6Loss6–72026 International Challenger Zhangjiagang, ChinaChallengerHard Ilia Simakin3–6, 1–6
References
External links