| Challenger Banja Luka | 08/24 09:00 | 26 | [294] Nerman Fatic v Otto Virtanen [249] | 6-0,4-6,6-3 | |
| Challenger Banja Luka | 08/22 13:10 | 25 | [283] Luca Van Assche v Otto Virtanen [249] | 3-6,6-7 | |
| Challenger San Marino | 08/09 14:45 | 25 | [258] Robin Haase v Otto Virtanen [245] | 7-6,6-3 | |
| Challenger Liberec | 08/06 13:10 | 28 | [272] Otto Virtanen v Nicolas Alvarez Varona [269] | 1-6,6-2,6-7 | |
| Challenger Liberec | 08/05 13:05 | 27 | [272] Otto Virtanen v Tomas Machac [149] | 2-6,6-3,6-2 | |
| Challenger Liberec | 08/04 10:40 | 26 | [153] Manuel Guinard v Otto Virtanen [272] | 2-6,6-1,6-7 | |
| Challenger Liberec | 08/02 13:10 | 25 | [272] Otto Virtanen v Lukas Neumayer [348] | 3-6,6-4,6-4 | |
| Challenger Zug | 07/27 10:45 | 26 | [295] Otto Virtanen v Dimitar Kuzmanov [189] | 1-6,7-6,6-7 | |
| Challenger Zug | 07/26 09:00 | 25 | [134] Zdenek Kolar v Otto Virtanen [295] | 4-6,4-6 | |
| Challenger Zug | 07/25 13:00 | 19 | [295] Otto Virtanen v Maximilian Neuchrist [377] | 1-6,4-6 | |
| Challenger Zug | 07/24 14:10 | 14 | [272] Otto Virtanen v Daniel Cukierman [437] | 6-4,7-6 | |
| Challenger Tampere | 07/19 13:30 | 25 | Luigi Sorrentino v Otto Virtanen | 6-4,4-6,6-4 | |
| Challenger Braunschweig | 07/03 09:00 | 14 | Vaclav Safranek v Otto Virtanen | 6-4,7-5 | |
| ATP Mallorca | 06/18 09:00 | 14 | [283] Otto Virtanen v Taro Daniel [127] | 5-7,3-6 | |
| Challenger Nottingham | 06/09 10:00 | 26 | [306] Otto Virtanen v Liam Broady [144] | 6-2,5-7,2-6 | |
| Challenger Nottingham | 06/07 13:15 | 25 | [93] John Millman v Otto Virtanen [306] | 6-7,3-6 | |
| Challenger Nottingham | 06/06 14:20 | 19 | [435] Felix Gill v Otto Virtanen [306] | 5-7,3-6 | |
| Challenger Nottingham | 06/05 18:50 | 14 | Arthur Fery v Otto Virtanen | 3-6,6-4,2-6 | |
| Challenger Surbiton | 06/04 16:45 | 28 | [82] Jordan Thompson v Otto Virtanen [375] | 6-3,1-6,6-4 | |
| Challenger Surbiton | 06/03 15:50 | 27 | [375] Otto Virtanen v Ryan Peniston [195] | 6-7,6-3,7-6 | |
| Challenger Surbiton | 06/02 15:00 | 26 | [375] Otto Virtanen v Paul Jubb [231] | 2-6,7-5,6-3 | |
| Challenger Surbiton | 06/01 18:35 | 25 | [86] Thanasi Kokkinakis v Otto Virtanen [376] | 3-6,6-7 | |
| Challenger Surbiton | 05/30 14:20 | 19 | [376] Otto Virtanen v Marius Copil [252] | 6-4,6-1 | |
| Challenger Surbiton | 05/29 14:10 | 14 | [206] Tim Van Rijthoven v Otto Virtanen [376] | 3-6,6-3,5-7 | |
| ITF M15 Kouvola | 05/22 08:00 | 29 | Otto Virtanen v Ivan Nedelko | 6-4,3-6,4-6 | |
| ITF M15 Kouvola | 05/21 08:00 | 28 | Otto Virtanen v Aleksi Lofman | 6-2,7-6 | |
| ITF M15 Kouvola | 05/20 09:55 | 27 | Otto Virtanen v Bekhan Atlangeriev | 6-2,6-2 | |
| ITF M15 Kouvola | 05/19 10:40 | 26 | Otto Virtanen v Ivan Denisov | 6-0,6-2 | |
| ITF M15 Kouvola | 05/18 11:00 | 25 | [377] Otto Virtanen v Ben Jones [419] | 6-4,6-1 | |
| Challenger Prague | 05/01 08:30 | 14 | [371] Otto Virtanen v Lucas Gerch [364] | 7-5,3-6,1-6 |
Wikipedia - Otto Virtanen
Otto Virtanen (born 21 June 2001) is a Finnish professional tennis player.
Virtanen has a career high ATP singles ranking of No. 109 achieved on 3 April 2023. He also has a career high ATP doubles ranking of No. 243 achieved on 19 June 2023. He is currently the No. 2 Finnish singles tennis player.
Virtanen won the Boys' Doubles title in the Wimbledon Championships in 2018. In December 2018 Virtanen won the singles tournament, the Orange Bowl.
History
2022: First Challenger title
He won his first Challenger title at the 2022 Trofeo Faip–Perrel and reached the top 200 at world No. 195 on 7 November 2022.
2023: Top 150 and Grand Slam debut
Following a second title at the 2023 Challenger Città di Lugano he reached the top 150 at No. 139 on 20 March 2023, and a third title in Lille the top 110 at No. 109 on 3 April 2023.
He made his Grand Slam debut at the 2023 US Open after qualifying into the main draw.