Kayla Day leads 3 to 1 over 4 singles meetings since 2025. Last meeting on 09/06/2026 at Lexus Ilkley Open - Ilkley.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 09/06/2026 | Lexus Ilkley Open - Ilkley | Round 1 | grass | Stoiana | 5-7 4-6 |
| 12/04/2026 | W35 Boca Raton | Final | clay | Day | 6-3 6-1 |
| 06/02/2026 | W50 Orlando | Quarter-final | hard | Day | 6-3 0-6 6-6 |
| 30/07/2025 | W75 Lexington | Round 1 | hard | Day | 4-6 3-5 |
| grass | Day 0 - 1 Stoiana |
| clay | Day 1 - 0 Stoiana |
| hard | Day 2 - 0 Stoiana |
| 2026 | Day 2 - 1 Stoiana |
| 2025 | Day 1 - 0 Stoiana |
179 wins, 111 losses since 2021 (61.7%).
Last matches: D D V V D
91 wins, 55 losses since 2021 (62.3%).
Last matches: D V V V D
Kayla Day leads 3 to 1 over 4 singles meetings since 2025.
On 09/06/2026, at Lexus Ilkley Open - Ilkley (Round 1): Mary Stoiana won 5-7 4-6.