Dayeon Back
WTA · World No. 282 · KOR · Right-handed
At a glance
Elo
1747
Hard Elo
1748
Clay Elo
1499
Grass Elo
—
Last 52w win%
73%
Last 10
10-0
Tiebreak win%
56%
Deciding-set win%
58%
Serve & return profile
A complete two-way player, above the tour average on both serve and return. Converts break chances at a high rate.
Serve / return map
vs 565 tour pros
Strengths vs tour
Career percentile · tick = tour median
Serve points won57%70th
Return points won50%98th
Ace rate1.1%17th
Double-fault discipline3.1%91th
Break points saved52%37th
Break points won50%80th
Serve anatomy
1st serve in67%
1st serve won62%
2nd serve won46%
Surface splits
Serve & return points won, break-point save & conversion, and ace rate, broken out by surface. Win% is heat-shaded against a 50% baseline. Toggle the window: career, last 52 weeks, or this season.
| Surface | M | W-L | Win% | Serve% | Return% | Ace% | BP Sv% | BP Cv% |
|---|---|---|---|---|---|---|---|---|
| All | 133 | 95-38 | 71% | 57% | 50% | 1.1% | 52% | 50% |
| Hard | 111 | 81-30 | 73% | 58% | 50% | 1.2% | 54% | 50% |
| Clay | 9 | 5-4 | 56% | 52% | 47% | 0.5% | 45% | 46% |
Recent matches
| Date | Tournament | Surf | Odds | R | Opponent | Score |
|---|---|---|---|---|---|---|
| Jun 24, 2026 | W35 Taipei · ITF Event | Hard | — | W | — | 6-3 6-3 |
| Jun 21, 2026 | W35 Taipei · ITF Event | Hard | 1.42 | W | Haruka Kaji | 6-1 7-5 |
| Jun 20, 2026 | W35 Taipei · ITF Event | Hard | 1.70 | W | — | 6-1 6-4 |
| Jun 19, 2026 | W35 Taipei · ITF Event | Hard | 1.12 | W | — | 7-5 6-2 |
| Jun 18, 2026 | W35 Taipei · ITF Event | Hard | 1.33 | W | — | 6-4 6-1 |
| Jun 16, 2026 | W35 Taipei · ITF Event | Hard | — | W | — | 6-1 6-3 |
| May 24, 2026 | W35 Changwon · ITF Event | Hard | 1.00 | W | — | 6-1 6-2 |
| May 23, 2026 | W35 Changwon · ITF Event | Hard | 1.22 | W | — | 6-2 6-2 |
| May 22, 2026 | W35 Changwon · ITF Event | Hard | — | W | — | 6-3 6-2 |
| May 22, 2026 | W35 Changwon · ITF Event | Hard | 1.02 | W | — | 6-1 2-6 6-1 |
| May 20, 2026 | W35 Changwon · ITF Event | Hard | 1.01 | W | — | 6-0 6-0 |
| May 17, 2026 | W35 Andong · ITF Event | Hard | — | W | — | 3-6 6-2 6-0 |
| May 16, 2026 | W35 Andong · ITF Event | Hard | 1.94 | W | Sofya Lansere | 6-3 6-1 |
| May 15, 2026 | W35 Andong · ITF Event | Hard | — | W | Yuki Naito | 6-3 7-5 |
| May 14, 2026 | W35 Andong · ITF Event | Hard | — | W | — | 6-0 6-0 |
| May 13, 2026 | W35 Andong · ITF Event | Hard | — | W | — | 6-2 6-1 |
| May 9, 2026 | W35 Changwon · ITF Event | Hard | — | L | — | 6-1 6-4 |
| May 8, 2026 | W35 Changwon · ITF Event | Hard | 1.51 | W | Yuki Naito | 5-7 6-4 6-4 |
| May 7, 2026 | W35 Changwon · ITF Event | Hard | 1.08 | W | — | 6-4 6-3 |
| May 6, 2026 | W35 Changwon · ITF Event | Hard | 1.28 | W | — | 6-2 6-1 |