Stadium: Court 5 Round: 62 Ground: Clay
| ITF - W15 Antalya | 2021/12/08 06:00 | Eva Garkusha v Gubina, Polina | 2-6,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/29 12:30 | Bojana Jovanovic v Gubina, Polina | 0-6,0-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/29 11:00 | Klara Vukicevic v Gubina, Polina | 0-6,2-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/26 13:00 | Gubina, Polina v Laura Svatikova | 2-6,1-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/24 13:30 | Gubina, Polina v Chiara Jerolimov | 1-6,4-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/23 12:30 | Gubina, Polina v Kolar, Nastja | 2-6,0-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/23 08:00 | Gvozdenovic, Sara v Gubina, Polina | 3-6,1-6 |
| UTR Pro Tennis Series Zadar Women | 2021/11/20 15:00 | Chiara Jerolimov v Gubina, Polina | 6-2,6-1 |
| ITF - W15 Antalya | 2021/12/08 06:00 | Izabelle Persson v Stefana Lazar | 5-7,0-6 |
| ITF - W15 Antalya | 2021/11/23 08:30 | Stefana Lazar v Lola Marandel | 6-4,3-6,7-10 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/13 12:30 | Diana Ilie v Stefana Lazar | 6-4,2-6,2-6 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/12 08:30 | Stefana Lazar v Tsoneva, Mihaela | 1-6,6-7 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/10 08:00 | Stefana Lazar v Gaspar-Ivan, Ioana | 2-6,0-5 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/09 07:00 | Stefana Lazar v Floriana Popovici | 6-0,6-0 |
| UTR Pro Tennis Series Bucharest Women | 2021/11/08 08:30 | Sokovic, Nevena v Stefana Lazar | 6-2,5-2 |
| UTR Pro Tennis Series Bucharest Women | 2021/10/08 08:30 | Stefana Lazar v Sava I Teodora | 0-5 |