Sao Paulo 
Bucaramanga 
Napoli 
Yokkaichi 
Morelia 
Alicante 
Davis Сup Group I Tennis. Played Marcinko Petra. Season 2026
Country 
Croatia. Ranking WTA 70.
Croatia. Ranking WTA 70.| WTA - | ||||
|---|---|---|---|---|
| 24.03.2026 | First round | Marcinko Petra — Kostovic Teodora | — — |
|
 WTA - NASDAQ-100 | ||||
| 17.03.2026 | First round | Siegemund Laura — Marcinko Petra | 2:0 (6:4, 6:4) |
|
| WTA - | ||||
| 10.03.2026 | First round | Vekic Donna — Marcinko Petra | 2:0 (6:3, 6:4) |
|
| WTA - Pacific Life Open | ||||
| 05.03.2026 | First round | Siegemund Laura — Marcinko Petra | 2:1 (3:6, 6:3, 6:4) |
|
| WTA - Austin | ||||
| 24.02.2026 | First round | Marcinko Petra — Birrell Kimberly | 1:2 (6:0, 3:6, 4:6) |
|
 WTA - Dubai Duty Free Women's Open | ||||
| 16.02.2026 | First round | Cristian Jaqueline — Marcinko Petra | 2:0 (6:1, 6:1) |
|
| 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) |
|
| 19.01.2026 | First round | Marcinko Petra — Maria Tatjana | 2:0 (6:3, 7:5) |
|
| WTA - Moorilla Hobart International | ||||
| 11.01.2026 | Qialification final | Marcinko Petra — Selekhmeteva Oksana | 0:2 (4:6, 2:6) |
|
 WTA - ASB Classic | ||||
| 08.01.2026 | Second round | Marcinko Petra — Eala Alexandra | 0:2 (0:6, 2:6) |
|
| 06.01.2026 | First round | Osorio Serrano Maria Camila — Marcinko Petra | 1:2 (4:6, 6:0, 6:7) |
|