Sergey Betov
| Country (sports) | Belarus |
|---|---|
| Residence | Minsk, Belarus |
| Born | 15 October 1987 Gomel, Belarusian SSR, Soviet Union |
| Height | 1.85 m (6 ft 1 in) |
| Retired | 2019 |
| Plays | Right-handed |
| Prize money | $225,859 |
| Singles | |
| Career record | 1–7 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 340 (1 August 2011) |
| Doubles | |
| Career record | 10–18 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 61 (26 October 2015) |
| Grand Slam doubles results | |
| Australian Open | 1R (2016) |
| Wimbledon | 2R (2015) |
| US Open | 1R (2015) |
| Team competitions | |
| Davis Cup | 3–8 |
| Last updated on: 16 January 2019. | |
Sergey Aleksandrovich Betov (Belarusian: Сяргей Аляксандравіч Бетаў Siarhiej Betaŭ; Сергей Александрович Бетов; born 15 October 1987) is a Belarusian former tennis player who competed on the ATP Challenger Tour. He reached his highest ATP singles ranking of world No. 340 on 1 August 2011 and his highest doubles ranking of No. 61 was achieved on 26 October 2015.
On April 29, 2016, the International Tennis Federation found that Betov had committed an Anti-Doping Rule Violation in connection with the consumption of meldonium, but further determined that he bore no fault or negligence for the violation and therefore permitted him to resume competition.
He married Russian tennis player Margarita Gasparyan in July 2021; they announced their pregnancy in February 2022.