Kayla Day and Mary Stoiana have met 4 times since 2025; Kayla Day leads 3–1. Their most recent meeting: Mary Stoiana won at Ilkley WTA (2026).
Playing styles and historical archetype record
Day
👑 The Complete Package
Stoiana
🪃 Counterpuncher
Matchup analysis
The 👑 The Complete Package archetype wins about 58% vs 🪃 Counterpuncher across 4,613 matches in our dataset — a stylistic lean toward Kayla Day.
The Complete Package players often use elite serve & return and high bp conversion to pressure the counterpuncher's elite bp conversion.
4 career meetings, newest first
Hit rates on common betting markets · Last 90 days
| Outcome | Day | Stoiana | ||
|---|---|---|---|---|
| Outcome | Kayla Day | Mary Stoiana | ||
| 1 or more | 82% | 14/17 | 77% | 10/13 |
| 3 or more | 47% | 8/17 | 8% | 1/13 |
| 5 or more | 18% | 3/17 | 0% | 0/13 |
| 10 or more | 0% | 0/17 | 0% | 0/13 |
| 15 or more | 0% | 0/17 | 0% | 0/13 |
| 20 or more | 0% | 0/17 | 0% | 0/13 |
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Day | Stoiana |
|---|---|---|
| W-L | 13–6 | 12–6 |
| Avg odds | 1.59 | 1.59 |
| ROI % | -0.6% | -3.3% |
| Units P/L | -0.12u | -0.60u |
Results vs. opponents both players faced · Last 12 months
Day has a higher win rate against shared opponents (83% vs Stoiana's 67%).
| Opponent | Day | Stoiana |
|---|---|---|
| Angela Fita Boluda | W | L 36 26 |
| Eva Vedder | W | W 63 76 |
| Elizabeth Mandlik | W 46 62 62 | L 16 62 46 |
| Madison Sieg | W 60 76 | W 76 63 |
| Louisa Chirico | W 63 61 | W 75 63 |
| Madison Brengle | L 16 76 26 | W 62 46 64 |
Last five matches per player
Cumulative head-to-head lead over time
Matches, sets and games won · Last 12 months · 28–55 matches
| Metric | Day | Stoiana |
|---|---|---|
| Matches won | 78% | 54% |
| Sets won | 73% | 57% |
| Games won | 58% | 53% |
Head-to-head record by tournament tier
| Stage | Day | Stoiana |
|---|---|---|
| Finals | 1 | 0 |
| WTA 250 | 0 | 1 |
| ITF W35 | 1 | 0 |
| ITF W50 | 1 | 0 |
| ITF W75 | 1 | 0 |
Head-to-head record per surface
| Surface | Day | Stoiana |
|---|---|---|
| Hard | 2 | 0 |
| Clay | 1 | 0 |
| Grass | 0 | 1 |