Slovakia: Bratislava 2 - Singles - Main
World: Davis Cup - World Group I - Singles - Main
Turkey: Istanbul - Singles - Main
Spain: Mallorca - Singles - Main
USA: US Open - Singles - Qualification
Netherlands: Hertogenbosch - Singles - Main
United Kingdom: Birmingham - Singles - Main
Select tournament type
Virtanen Otto Stats, Results & Fixtures
- Show:
 Australia: Australian Open - Singles - Qualification | |||||||
|---|---|---|---|---|---|---|---|
| Quarter-finals | Virtanen O. | Mejia N. | 1:2 (3:6, 6:3, 4:6) | details | 13.01.2026 | ||
 Italy: Bergamo - Singles - Main | |||||||
| 1/16-finals | Napolitano S. | Virtanen O. | 2:1 (3:6, 7:66, 6:4) | details | 19.11.2025 | ||
 France: Lyon 2 - Singles - Main | |||||||
| 1/16-finals | Lajal M. | Virtanen O. | CAN. | details | 11.11.2025 | ||
| Finland: Helsinki - Singles - Main | |||||||
| Final | Virtanen O. | Kypson P. | 1:2 (6:4, 3:6, 4:6) | details | 09.11.2025 | ||
| Semi-finals | Virtanen O. | Gueymard Wayenburg S. | 2:0 (6:2, 6:4) | details | 08.11.2025 | ||
- Show:
| Finland: Helsinki - Doubles - Main | |||||||
|---|---|---|---|---|---|---|---|
| Semi-finals | Schnaitter J./Wallner M. | Lagerbohm L./Virtanen O. | WO. | details | 07.11.2025 | ||
| Quarter-finals | Cervantes I./Cukierman D. | Lagerbohm L./Virtanen O. | 1:2 (6:3, 3:6, 5:10) | details | 06.11.2025 | ||
| 1/8-finals | Blancaneaux G./Hemery C. | Lagerbohm L./Virtanen O. | 0:1 RET. (2:6, 0:2) | details | 04.11.2025 | ||
| France: Brest - Doubles - Main | |||||||
| 1/8-finals | Barrientos N./Vocel M. | Ruusuvuori E./Virtanen O. | 2:0 (6:3, 6:2) | details | 22.10.2025 | ||
| France: Roanne - Doubles - Main | |||||||
| 1/8-finals | Durasovic V./Hellum-Lilleengen L. | Kaukovalta P./Virtanen O. | 2:0 (6:3, 6:2) | details | 08.10.2025 | ||
