Antonia Ruzic vs Kayla Day
Updated
Tennis Gauge's model favors Kayla Day, giving them a 55% chance to win against Antonia Ruzic (45%). Antonia Ruzic leads 1-0 in their head-to-head. Ruzic is 5-5 in their last 10, Day 6-4.
Pre-match prediction
The model makes Kayla Day a 55% favorite. The odds and the model roughly agree, so neither side shows value.
Model minus book: -8 pts
Model minus book: +2 pts
Model estimates, not betting advice. How the numbers work · Expected value of Kayla Day at -109 · Model track record
Player comparison
| Antonia Ruzic | Kayla Day | |
|---|---|---|
| Tennis Gauge rating | 6948 | 6872 |
| Tour rank | WTA #93 | WTA #135 |
| Last 10 matches | 5-5 | 6-4 |
| Last 30 days | 4-3 | 2-2 |
| Current streak | 2 Losses | 2 Losses |
| Season record | 30-34 | 53-23 |
| UTR | 12.06 | 12.24 |
| Elo (52 weeks) | 1683 | 1630 |
| Best surface | Grass | Hard |
| Worst surface | Clay | Grass |
Head to head
Antonia Ruzic leads 1-0.
| Date | Winner | Score | Tournament |
|---|---|---|---|
| 22.10.2026 | Antonia Ruzic | 6-4 | Japan Osaka |
Recent form
Antonia Ruzic, last 10
| Date | Opponent | Score | |
|---|---|---|---|
| 27.10.2026 | Claire Liu | L | 4-6, 7-6, 6-4 |
| 23.10.2026 | Katie Boulter | L | 3-6, 6-3, 6-3 |
| 22.10.2026 | Kayla Day | W | 6-4 |
| 20.10.2026 | Paula Badosa | W | 3-6, 6-4, 6-3 |
| 15.10.2026 | Bianca Andreescu | L | 7-5, 3-6, 7-5 |
| 13.10.2026 | Anna Siskova | W | 7-5, 6-3 |
| 06.10.2026 | Alicia Dudeney | L | 3-6, 6-3, 6-4 |
| 03.10.2026 | Leolia Jeanjean | L | 4-6, 6-1, 6-3 |
| 02.10.2026 | Teodora Kostovic | W | 4-6, 6-4, 6-2 |
| 30.09.2026 | Julia Riera | W | 6-3, 6-4 |
Kayla Day, last 10
| Date | Opponent | Score | |
|---|---|---|---|
| 24.10.2026 | Shuai Zhang | L | 6-3, 3-6, 7-5 |
| 22.10.2026 | Antonia Ruzic | L | 6-4 |
| 20.10.2026 | Sofia Kenin | W | 6-3, 6-2 |
| 18.10.2026 | Maya Joint | L | 6-3, 3-6, 6-3 |
| 17.10.2026 | Ena Koike | W | 7-5, 6-3 |
| 30.09.2026 | Amelie Van Impe | L | 6-2, 6-4 |
| 27.09.2026 | Janae Preston | W | 7-5, 6-4 |
| 26.09.2026 | Ella Mcdonald | W | 7-6, 6-3 |
| 25.09.2026 | Anna Rogers | W | 6-1, 6-0 |
| 25.09.2026 | Evialina Laskevich | W | 6-2, 6-2 |
Common opponents, last 12 months
| Opponent | Antonia Ruzic | Kayla Day |
|---|---|---|
| Claire Liu | 0-1 L 4-6, 7-6, 6-4 |
1-0 W 6-4, 6-1 |
| Darja Semenistaja | 1-0 W 6-3, 3-6, 6-3 |
1-0 W 6-2, 6-1 |
| Jennifer Brady | 1-0 W 3-6, 6-4, 6-2 |
0-1 L 6-4, 6-2 |
| Julia Riera | 1-0 W 6-3, 6-4 |
1-0 W 7-6, 6-7, 6-4 |
| Liudmila Samsonova | 0-1 L 6-0, 6-4 |
0-1 L 7-6, 2-6, 7-6 |
| Madison Keys | 0-2 L 6-1, 6-2, L 6-4, 6-4 |
0-1 L 6-7, 6-4, 6-3 |
| Paula Badosa | 1-0 W 3-6, 6-4, 6-3 |
0-1 L 6-4, 6-3 |
| Taylah Preston | 1-0 W 6-3, 6-7, 7-5 |
1-0 W 6-3, 6-2 |
| Yue Yuan | 0-1 L 6-4, 5-7, 6-2 |
2-0 W 2-6, 7-5, 6-3, W 6-1, 6-4 |
Earlier previews of this matchup
- 2026-10-27: WTA Osaka (IX) (Japan), model gave Antonia Ruzic 45% at -116
- 2026-10-26: WTA Osaka (IX) (Japan), model gave Antonia Ruzic 45% at -116
- 2026-10-25: WTA Osaka (IX) (Japan), model gave Antonia Ruzic 45% at -116
- 2026-10-24: WTA Osaka (IX) (Japan), model gave Antonia Ruzic 45% at -116
- 2026-10-23: WTA Osaka (IX) (Japan), model gave Antonia Ruzic 45% at -116
- 2026-10-22: WTA Osaka (IX) (Japan), model gave Antonia Ruzic 45% at -116
- 2026-10-21: WTA Osaka (IX) (Japan), model gave Antonia Ruzic 45% at -116
Antonia Ruzic vs Kayla Day: quick answers
Who will win Antonia Ruzic vs Kayla Day?
Tennis Gauge's model favors Kayla Day, giving them a 55% chance to win against Antonia Ruzic (45%).
What is the head-to-head record between Antonia Ruzic and Kayla Day?
Antonia Ruzic leads 1-0. Their most recent meeting was on October 22, 2026, won by Antonia Ruzic 6-4 at Japan Osaka.
Who is in better form, Antonia Ruzic or Kayla Day?
Antonia Ruzic is 5-5 in their last 10 matches (current streak: 2 Losses). Kayla Day is 6-4 (current streak: 2 Losses).
How does Tennis Gauge rate Antonia Ruzic and Kayla Day?
Antonia Ruzic is rated 6948 (WTA #93) and Kayla Day is rated 6872 (WTA #135). Ratings update after every match and weight recent results and opponent strength.
What are the odds for Antonia Ruzic vs Kayla Day?
Antonia Ruzic is priced at -116 and Kayla Day at -109, which implies a 54% and 52% chance to win. The model and the odds roughly agree, so neither side shows value.