Jiujiang 
Istanbul 
Santos 
Brazzaville 
Davis Сup Group I Tennis. Played Waltert Simona. Season 2026
Country 
Switzerland. Ranking WTA 83.
Switzerland. Ranking WTA 83. WTA - Campionati Internazionali d'Italia | ||||
|---|---|---|---|---|
| 08.05.2026 | Second round | Baptiste Hailey — Waltert Simona | 2:1 (6:7, 6:4, 6:4) |
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| 07.05.2026 | First round | Waltert Simona — Starodubtseva Yuliia | 2:1 (7:5, 4:6, 6:1) |
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| 05.05.2026 | Qialification final | Yuan Yue — Waltert Simona | 1:2 (2:6, 6:1, 5:7) |
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 WTA - Madrid | ||||
| 24.04.2026 | Second round | Waltert Simona — Ostapenko Jelena | 0:2 (2:6, 5:7) |
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| 22.04.2026 | First round | Oliynykova Oleksandra — Waltert Simona | 0:2 (5:7, 0:6) |
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| 21.04.2026 | Qialification final | Waltert Simona — Salkova Dominika | 2:0 (6:0, 6:2) |
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| 20.04.2026 | Qualifications - 1st round | Waltert Simona — Papamichail Despina | 2:0 (7:5, 6:3) |
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 WTA - | ||||
| 17.04.2026 | Quarter-finals | Chwalinska Maja — Waltert Simona | 2:0 (6:1, 6:0) |
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| 16.04.2026 | Second round | Masarova Rebeka — Waltert Simona | 1:2 (3:6, 6:4, 2:6) |
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| 14.04.2026 | First round | Waltert Simona — Kawa Katarzyna | 2:0 (6:1, 6:1) |
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| WTA - | ||||
| 07.04.2026 | First round | Osuigwe Whitney — Waltert Simona | 2:1 (3:6, 6:3, 6:2) |
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 WTA - NASDAQ-100 | ||||
| 17.03.2026 | First round | Waltert Simona — Tomljanovic Ajla | 0:2 (3:6, 4:6) |
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| WTA - | ||||
| 10.03.2026 | First round | Kessler Mccartney — Waltert Simona | 2:0 (7:6, 6:3) |
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| WTA - Pacific Life Open | ||||
| 01.03.2026 | Qualifications - 1st round | Sakatsume Himeno — Waltert Simona | 2:0 (6:4, 6:4) |
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 WTA - Qatar Total Open | ||||
| 06.02.2026 | Qualifications - 1st round | Kartal Sonay — Waltert Simona | 2:1 (7:5, 2:6, 6:4) |
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 WTA - Abu Dhabi | ||||
| 03.02.2026 | Second round | Tauson Clara — Waltert Simona | 2:0 (6:3, 6:1) |
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| 02.02.2026 | First round | Kasatkina Daria — Waltert Simona | 1:2 (6:7, 6:3, 4:6) |
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| 01.02.2026 | Qialification final | Piter Katarzyna — Waltert Simona | 0:2 (0:6, 3:6) |
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| 31.01.2026 | Qualifications - 1st round | Waltert Simona — Rodionova Arina (Retired) | 1:0 (6:2, 1:0) |
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 WTA - Australian Open | ||||
| 19.01.2026 | First round | Waltert Simona — Anisimova Amanda | 0:2 (3:6, 2:6) |
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| WTA - Moorilla Hobart International | ||||
| 11.01.2026 | Qialification final | Zarazua Renata — Waltert Simona | 2:0 (6:4, 6:3) |
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 WTA - | ||||
| 26.01.2026 | First round | Tararudee Lanlana — Waltert Simona | 2:1 (6:2, 3:6, 6:2) |
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| WTA - Richard Luton Properties Canberra International | ||||
| 08.01.2026 | Quarter-finals | Waltert Simona — Snigur Daria | 0:2 (2:6, 4:6) |
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| 05.01.2026 | First round | Waltert Simona — Salkova Dominika | 2:1 (6:7, 7:6, 6:2) |
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