# Antonia Ruzic def. Kayla Day

Source: https://tennis-db.com/wta/matches/balldontlie_wta:18794205/antonia-ruzic-vs-kayla-day
Tour: WTA

Antonia Ruzic defeated Kayla Day 6-4 0-0 after Kayla Day retired in the 2026 Japan Women's Open second round on hard courts on October 22, 2026.

## Match
- Score: 6-4 (ret.)
- Outcome: Kayla Day retired during the match
- Tournament: Japan Women's Open
- Season: 2026
- Round: Round of 16
- Surface: Hard
- Date: 2026-10-22

## Player comparison
| Field | Antonia Ruzic | Kayla Day |
| :--- | ---: | ---: |
| Country | CRO | USA |
| Birth date | 2003-01-20 | 1999-09-28 |
| Age | 23 | 27 |
| Height | 166 cm | 173 cm |
| Handedness | Right-Handed | Left-Handed |
| Backhand style | Two-Handed Backhand | Two-Handed Backhand |
| Ranking (entering) | 91 | 119 |
| Ranking points (entering) | 823 | 614 |
| Elo (entering) | 1694 | 1629 |
| Current career W-L | 25-31 | 11-31 |
| Current career earnings | $1,659,727 | $1,614,354 |

Pre-match H2H: Antonia Ruzic 0-0 Kayla Day.

## Stats
| Stat | Antonia Ruzic | Kayla Day |
| :--- | ---: | ---: |
| Aces | 1 | 3 |
| Double faults | 0 | 1 |
| 1st serve % | 70.4% | 77.1% |
| 1st serve points won % | 63.2% | 63.0% |
| 2nd serve points won % | 75.0% | 25.0% |
| BP saved % | 0.0% | 66.7% |
| BP converted % | 33.3% | 100.0% |
| Service points won % | 66.7% | 54.3% |
| Return points won % | 45.7% | 33.3% |
| Total points won % | 54.8% | 45.2% |
| Match Serve+ | +9.8 | -2.6 |
| Match Return+ | +2.6 | -9.8 |

Match Serve+ and Match Return+ compare this match with the WTA 2026 average from available match stats. Zero is average; +5 means five percentage points above average. No opponent adjustment.

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Canonical URL: https://tennis-db.com/wta/matches/balldontlie_wta:18794205/antonia-ruzic-vs-kayla-day
Data source: TennisDB (tennis-db.com)