| Challenger - Vilnius | 02/07 11:25 | 25 | [180] Otto Virtanen v Gijs Brouwer [158] | 6-4,7-6 | |
| Davis Cup | 02/05 16:10 | 45 | Otto Virtanen v Pedro Cachin | Cancelled | |
| Davis Cup | 02/04 16:45 | 45 | [181] Otto Virtanen v Francisco Cerundolo [31] | 3-6,6-3,6-7 | |
| Challenger - Quimper | 01/27 15:20 | 27 | [195] Arthur Fils v Otto Virtanen [178] | 4-6,6-2,6-3 | |
| Challenger - Quimper | 01/26 10:00 | 26 | [178] Otto Virtanen v Sebastian Ofner [193] | Retired | |
| Challenger - Quimper | 01/25 09:00 | 25 | [178] Otto Virtanen v Giovanni M Perricard [371] | 6-4,6-2 | |
| Australian Open | 01/09 04:45 | 14 | [152] Nicolas Jarry v Otto Virtanen [175] | 5-7,6-4,7-6 | |
| ATP - Pune | 12/31 08:10 | 14 | [435] Ramkumar Ramanathan v Otto Virtanen [175] | 2-6,7-5,6-2 | |
| Challenger - Helsinki | 11/17 14:50 | 26 | [112] Tomas Machac v Otto Virtanen [182] | 6-4,6-2 | |
| Challenger - Helsinki | 11/16 15:00 | 25 | Aleksi Lofman v Otto Virtanen | 1-6,5-7 | |
| Challenger - Roanne | 11/12 16:10 | 28 | [195] Otto Virtanen v Hugo Gaston [132] | 5-7,5-7 | |
| Challenger - Roanne | 11/11 20:35 | 27 | [195] Otto Virtanen v Pavel Kotov [100] | 6-1,2-6,6-2 | |
| Challenger - Roanne | 11/10 15:30 | 26 | [195] Otto Virtanen v Ugo Blanchet [328] | 6-7,6-4,6-1 | |
| Challenger - Roanne | 11/08 21:05 | 25 | [114] Hugo Grenier v Otto Virtanen [195] | 4-6,6-7 | |
| Challenger - Bergamo | 11/06 15:30 | 29 | [168] Jan-Lennard Struff v Otto Virtanen [265] | 2-6,5-7 | |
| Challenger - Bergamo | 11/05 17:45 | 28 | [265] Otto Virtanen v Nuno Borges [96] | 6-4,7-5 | |
| Challenger - Bergamo | 11/04 16:35 | 27 | [116] Dominic Stephan Stricker v Otto Virtanen [265] | 4-6,6-7 | |
| Challenger - Bergamo | 11/02 15:00 | 26 | [265] Otto Virtanen v Zhizhen Zhang [99] | 6-4,7-6 | |
| Challenger - Bergamo | 11/01 11:35 | 25 | [265] Otto Virtanen v Manuel Guinard [134] | 6-4,7-5 | |
| Challenger - Bergamo | 10/31 13:15 | 19 | [177] Antoine Bellier v Otto Virtanen [265] | 6-7,2-6 | |
| Challenger - Bergamo | 10/30 20:00 | 14 | [328] Henri Squire v Otto Virtanen [263] | 4-6,6-7 | |
| Challenger - Brest | 10/27 10:00 | 26 | [149] Geoffrey Blancaneaux v Otto Virtanen [263] | 7-6,6-1 | |
| Challenger - Brest | 10/26 10:00 | 25 | [337] Viktor Durasovic v Otto Virtanen [263] | 7-6,3-6,4-6 | |
| ATP - Stockholm | 10/15 11:45 | 14 | [258] Otto Virtanen v Damir Dzumhur [177] | 4-6,1-6 | |
| Challenger - Ismaning | 10/11 13:30 | 25 | [180] Lukas Klein v Otto Virtanen [258] | 6-1,6-4 | |
| Challenger - Mouilleron le Captif | 10/07 12:35 | 27 | [173] Jelle Sels v Otto Virtanen [273] | 6-3,6-4 | |
| Challenger - Mouilleron le Captif | 10/06 10:35 | 26 | [273] Otto Virtanen v Kenny de Schepper [338] | 6-2,6-4 | |
| Challenger - Mouilleron le Captif | 10/04 12:15 | 25 | [317] Clement Tabur v Otto Virtanen [273] | 3-6,4-6 | |
| Challenger - Orleans | 09/26 13:45 | 25 | [251] Otto Virtanen v Laurent Lokoli [205] | 6-7,3-6 | |
| Davis Cup | 09/17 14:30 | 5 | Otto Virtanen v Kiranpal Pannu | Cancelled |
Wikipedia - Otto Virtanen
Otto Virtanen (født 21. juni 2001 i Hyvinkää, Finland) er en professionel tennisspiller fra Finland.