Dublin 
Asuncion 2 
Poznan 
Davis Сup Group I Tennis. Played Marcinko Petra. Season 2026
Country 
Croatia. Ranking WTA 70.
Croatia. Ranking WTA 70. WTA - Hastings Direct International Championships | ||||
|---|---|---|---|---|
| 21.06.2026 | Qialification final | Marcinko Petra — Snigur Daria | — — |
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| 20.06.2026 | Qualifications - 1st round | Marcinko Petra — Waltert Simona | 2:1 (6:4, 6:7, 6:4) |
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 WTA - Qatar Total German Open 2006 | ||||
| 15.06.2026 | Qualifications - 1st round | Marcinko Petra — Ito Aoi | 2:1 (6:2, 4:6, 6:2) |
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| 15.06.2026 | Qialification final | Marcinko Petra — Zarazua Renata | 1:2 (6:1, 4:6, 3:6) |
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| WTA - Makarska | ||||
| 04.06.2026 | Second round | Marcinko Petra — Palicova Barbora | 1:2 (6:0, 6:7, 4:6) |
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 WTA - French Open | ||||
| 25.05.2026 | First round | Marcinko Petra — Lys Eva | 0:2 (3:6, 0:6) |
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 WTA - Grand Prix SAR La Princesse Lalla Meryem | ||||
| 23.05.2026 | Final | Kalinina Anhelina (Retired) — Marcinko Petra | 0:1 (2:6, 0:3) |
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| 22.05.2026 | Semi-finals | Teichmann Jil — Marcinko Petra | 0:2 (6:7, 3:6) |
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| 21.05.2026 | Quarter-finals | Marcinko Petra — Bouzas Maneiro Jessica | 2:0 (6:3, 6:4) |
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| 18.05.2026 | First round | Marcinko Petra — Zvonareva Vera | 2:0 (6:2, 6:4) |
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 WTA - Campionati Internazionali d'Italia | ||||
| 05.05.2026 | First round | Marcinko Petra — Oliynykova Oleksandra | 0:2 (1:6, 3:6) |
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 WTA - Madrid | ||||
| 23.04.2026 | Second round | Bencic Belinda — Marcinko Petra | 2:0 (6:4, 6:2) |
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| 21.04.2026 | First round | Marcinko Petra — Jimenez Kasintseva Victoria | 2:0 (6:0, 7:5) |
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 WTA - | ||||
| 18.04.2026 | Semi-finals | Marcinko Petra — Kraus Sinja | 1:2 (4:6, 6:1, 4:6) |
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| 17.04.2026 | Quarter-finals | Sramkova Rebecca — Marcinko Petra | 1:2 (6:7, 7:5, 3:6) |
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| 15.04.2026 | Second round | Minnen Greetje — Marcinko Petra | 0:2 (2:6, 4:6) |
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| 13.04.2026 | First round | Marcinko Petra — Brancaccio Nuria | 2:0 (7:5, 6:1) |
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| WTA - | ||||
| 24.03.2026 | First round | Marcinko Petra — Kostovic Teodora | 0:2 (2:6, 3:6) |
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 WTA - NASDAQ-100 | ||||
| 17.03.2026 | First round | Siegemund Laura — Marcinko Petra | 2:0 (6:4, 6:4) |
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| WTA - | ||||
| 10.03.2026 | First round | Vekic Donna — Marcinko Petra | 2:0 (6:3, 6:4) |
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| WTA - Pacific Life Open | ||||
| 05.03.2026 | First round | Siegemund Laura — Marcinko Petra | 2:1 (3:6, 6:3, 6:4) |
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| WTA - Austin | ||||
| 24.02.2026 | First round | Marcinko Petra — Birrell Kimberly | 1:2 (6:0, 3:6, 4:6) |
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 WTA - Dubai Duty Free Women's Open | ||||
| 16.02.2026 | First round | Cristian Jaqueline — Marcinko Petra | 2:0 (6:1, 6:1) |
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| 13.02.2026 | Qualifications - 1st round | Sasnovich Aliaksandra — Marcinko Petra | 2:0 (6:4, 6:4) |
|
 WTA - Australian Open | ||||
| 22.01.2026 | Second round | Stearns Peyton — Marcinko Petra | 2:0 (6:2, 7:5) |
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| 19.01.2026 | First round | Marcinko Petra — Maria Tatjana | 2:0 (6:3, 7:5) |
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| WTA - Moorilla Hobart International | ||||
| 11.01.2026 | Qialification final | Marcinko Petra — Selekhmeteva Oksana | 0:2 (4:6, 2:6) |
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 WTA - ASB Classic | ||||
| 08.01.2026 | Second round | Marcinko Petra — Eala Alexandra | 0:2 (0:6, 2:6) |
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| 06.01.2026 | First round | Osorio Serrano Maria Camila — Marcinko Petra | 1:2 (4:6, 6:0, 6:7) |
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