is a retired Japanese professional tennis player. He competed primarily on the ATP Challenger Tour and ITF Futures Tour, both in singles and doubles. He reached his highest ATP singles ranking of World No. 661 on October 20, 2014, and his highest ATP doubles ranking of World No. 304 on June 9, 2014.
Career During his tenure playing professional tennis, Sato only played in 2 ATP Tour - level matches. Both of these matches came in doubles at the 2012 World Team Cup tournament where he represented Japan. Partnering with Tatsuma Ito, the pair first lost during their matchup against Argentina to Juan Ignacio Chela and Juan Pablo Brzezicki 7–6(7–3), 1–6, [7–10] and then lost during their matchup against USA to James Blake and Ryan Harrison 6–4, 0–6, [3–10].
Sato reached 27 career doubles finals, winning 12 and falling in 15. Of those finals, he appeared just once at the ATP Challenger Tour level, at the 2014 Toyota Challenger in Toyota Japan, where he and partner Yang Tsung-hua of Taiwan lost to Japanese duo Toshihide Matsui / Yasutaka Uchiyama in straight sets 6–7(6-8), 2-6.
His last tournament was the Korea F8 ITF Futures, Anseong in September 2016 where he lost in the third round of qualifying in singles, and lost in the first round of doubles to end his professional tennis career.
He is married to retired Japanese WTA tennis player Maiko Inoue.
ATP Challenger and ITF Futures finals
Doubles: 27 (12–15) LegendATP Challenger (0–1)ITF Futures (12–14)Finals by surfaceHard (8–12)Clay (4–2)Grass (0–0)Carpet (0–1)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Japan F2, TokyoFuturesHard Sho Aida Satoshi Iwabuchi Gouichi Motomura2–6, 6–4, [8–10]Loss0–2Japan F9, YokohamaFuturesClay Hsin-Han Lee Hiromasa Oku Kousuke Sugimoto0–6, 6–4, [8–10]Win1–2Japan F1, TokyoFuturesHard Chu-Huan Yi Tasuku Iwami Hiroki Kondo6–4, 6–4Loss1–3Japan F4, TsukubaFuturesHard Maciek Sykut Tasuku Iwami Hiroki Moriya4–6, 2–6Win2–3Japan F8, SapporoFuturesClay Hsin-Han Lee Tasuku Iwami Hiroki Kondo3–6, 6–4. [15–13]Loss2–4Japan F9, KashiwaFuturesHard Harri Heliovaara Yuichi Ito Chu-Huan Yi6–4, 1–6, [8–10]Loss2–5Japan F10, TamaFuturesHard Harri Heliovaara Tasuku Iwami Hiroki Kondo2–6, 4–6Loss2–6Thailand F2, Khon KaenFuturesHard Hsin-Han Lee Weerapat Doakmaiklee Kittiphong Wachiramanowong6–7(9–11), 2–6Loss2–7India F3, ChandigarhFuturesHard Hsin-Han Lee Divij Sharan Vishnu Vardhan4–6, 6–4, [7–10]Loss2–8China F5, NanjingFuturesHard Junn Mitsuhashi Hsin-Han Lee Hsieh Cheng-peng2–6, 4–6Loss2–9Guam F1, TumonFuturesHard Daniel Yoo Isaac Frost Brendan Moore6–7(4–7), 3–6Win3–9Japan F5, KaruizawaFuturesClay Hsin-Han Lee Junn Mitsuhashi Yasutaka Uchiyama6–4, 5–7. [12–10]Loss3–10Japan F8, SapporoFuturesCLay Kittiphong Wachiramanowong Hsin-Han Lee Hsieh Cheng-peng4–6, 6–3, [7-10]Loss3–11Laos F1, VientianeFuturesHard Danai Udomchoke Sanchai Ratiwatana Sonchat Ratiwatana2–6, 3–6Win4–11Japan F3, KofuFuturesHard Peng Hsien-yin Gao Xin Yu Chang6–3, 5–7. [10–6]Win5–11Japan F2, TokyoFuturesHard Sho Katayama Shota Tagawa Yasutaka Uchiyama7–6(7–4], 6–4Loss5–12India F6, ChennaiFuturesHard Toshihide Matsui N. Sriram Balaji Jeevan Nedunchezhiyan1–6, 4–6Win6–12Guam F1, TumonFuturesHard Yasutaka Uchiyama Yuichi Ito Takuto Niki7–6(7–2], 6–4Win7–12Japan F5, KaruizawaFuturesClay Sho Katayama Koichi Sano Masaki Sasai6–1, 6–4Loss7–13Japan F8, KashiwaFuturesHard Toshihide Matsui Hiroki Kondo Jose Statham4–6, 2–6Win8–13Japan F2, TokyoFuturesHard Sho Katayama Yuichi Ito Hiroki Kondo6–2, 4–6, [10–6]Win9–13Japan F4, TsukubaFuturesHard Sho Katayama Lee Duck-hee Finn Tearney6–4, 6–4Win10–13Turkey F14, AntalyaFuturesHard Sho Katayama Andrei Ciumac Ramkumar Ramanathan6–3, 6–1Win11–13Guam F1, TumonFuturesHard Takuto Niki Yuya Kibi Tomohiro Masabayashi6–1, 6–3Win12–13Japan F5, KaruizawaFuturesClay Sho Katayama Wang Chieh-fu Yang Shao-Chi7–5, 6–2Loss12–14Toyota, JapanChallengerCarpet Yang Tsung-hua Toshihide Matsui Yasutaka Uchiyama6–7(6–8), 2–6Loss12–15China F13, PutianFuturesHard Sho Katayama Chu-Huan Yi Bai Yan2–6, 6-7(4–7)
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