Korea, Rep.
| Age | 24 (24-01-2002) |
| Country | Korea, Rep. |
| Birthplace | |
| Height | |
| Weight | |
| Plays | Right-Handed |
| Backhand | |
| Favorite Surface |  Hard 65% |
| Coach | |
| Turned Pro | |
| Player Status | Active |
Dayeon Back Upcoming Matches
Match Stats
Hard
Clay
Grass
Indoor
All
Service Stats
| Aces / Game | 0.06 | 22 / 374 |
| DFs / Game | 0.22 | 83 / 374 |
| 1st Serve % | 67.5% | 1615 / 2393 |
| 1st Serve Win % | 63.3% | 1022 / 1615 |
| 2nd Serve Win % | 47.4% | 369 / 778 |
| Service Points Win % | 58.1% | 1391 / 2393 |
Return Stats
| Opponent Aces / Game | 0.04 | 16 / 374 |
| Opponent Double Faults / Game | 0.30 | 112 / 374 |
| Opponent 1st Serve % | 65.0% | 1560 / 2400 |
| 1st Return Win % | 47.1% | 735 / 1560 |
| 2nd Return Win % | 60.5% | 508 / 840 |
| Return Points Win % | 51.8% | 1243 / 2400 |
Break Points (Serve)
| Break Points Saved Per Game | 0.35 | 131 / 374 |
| Break Points Faced Per Game | 0.68 | 254 / 374 |
| Break Points Save % | 51.6% | 131 / 254 |
| Service Hold % | 67.2% | 251 / 374 |
Break Points (Rtn)
| Break Points Won Per Game | 0.54 | 201 / 374 |
| Opponent Break Points Per Game | 0.99 | 370 / 374 |
| BP Won % | 54.3% | 201 / 370 |
| Opp Hold % | 46.3% | 173 / 374 |
Dayeon Back Past Matches
Dayeon Back Surface Summary
| year | All | hard | clay | indoor | grass |
| 2026 | 35-9 | 30-6 | 0-0 | 5-3 | 0-0 |
| 2025 | 48-26 | 44-24 | 0-0 | 4-2 | 0-0 |
| 2024 | 54-20 | 46-16 | 3-1 | 5-3 | 0-0 |
| 2023 | 43-15 | 43-15 | 0-0 | 0-0 | 0-0 |
| 2022 | 19-11 | 19-11 | 0-0 | 0-0 | 0-0 |
| 2021 | 7-8 | 2-3 | 5-4 | 0-1 | 0-0 |
| 2019 | 18-7 | 18-7 | 0-0 | 0-0 | 0-0 |
| 2018 | 6-3 | 3-2 | 0-0 | 3-1 | 0-0 |
| 2017 | 4-3 | 4-3 | 0-0 | 0-0 | 0-0 |
Dayeon Back Performance Breakdown
Tournament Level Breakdown
| Grand Slam | 0.0% | 0 / 0 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 42.9% | 3 / 4 |
| Cups | 76.9% | 10 / 3 |
| Challengers | 65.5% | 108 / 57 |
| Futures | 74.8% | 113 / 38 |
Opponent Rank Breakdown
| Vs No.1 | 0.0% | 0 / 0 |
| Vs Top.5 | 0.0% | 0 / 0 |
| Vs Top.10 | 0.0% | 0 / 0 |
| Vs Top.20 | 100.0% | 1 / 0 |
| Vs Top.50 | 33.3% | 1 / 2 |
| Vs Top.100 | 33.3% | 1 / 2 |
Surface Breakdown
| Overall | 69.7% | 225 / 98 |
| Hard | 70.6% | 209 / 87 |
| Clay | 61.5% | 8 / 5 |
| Indoor | 57.1% | 8 / 6 |
| Grass | 0.0% | 0 / 0 |
Round Breakdown
| Final | 60.0% | 12 / 8 |
| Semi-Final | 58.8% | 20 / 14 |
| Quarter-Final | 66.7% | 34 / 17 |
| Second | 69.9% | 51 / 22 |
| First | 73.0% | 73 / 27 |
| Qualifying Final | 70.6% | 12 / 5 |
| Qualifying R2 | 80.0% | 8 / 2 |
| Qualifying R1 | 77.8% | 14 / 4 |
Dayeon Back Titles/Finals/Semis
Title
Finals
Dayeon Back interesting Heads to Heads
 Dayeon Back | Loss VIEW H2H |  Kimberly Birrell | ||
Dayeon Back | Wins VIEW H2H |  Joanna Garland | ||
Dayeon Back | Wins VIEW H2H |  Ankita Raina | ||
Dayeon Back | Wins VIEW H2H |  Jelena Ostapenko | ||
Dayeon Back | Loss VIEW H2H |  Lulu Sun | ||
Dayeon Back | Wins VIEW H2H |  Sevil Yuldasheva | ||
Dayeon Back | Loss VIEW H2H |  Zarina Diyas | ||
Dayeon Back | Loss VIEW H2H |  Na-Lae Han | ||
Dayeon Back | Loss VIEW H2H |  Beatriz Haddad Maia | ||
Dayeon Back | Loss VIEW H2H |  Carol Zhao | ||
Dayeon Back | Wins VIEW H2H |  Wushuang Zheng | ||
Dayeon Back | Wins VIEW H2H |  Hong Yi Cody Wong | ||
Upcoming Tennis Predictions & Head to Heads
Zanolini Barendse Prediction H2H (0-0)
Timofeeva Osuigwe Prediction H2H (0-0)
Arias Genova Prediction H2H (0-0)
Willemse Longueville Prediction H2H (0-0)
Miron Todoni Prediction H2H (0-0)
Shin Suzuki Prediction H2H (0-0)
Kaya Baker Sara Shumate Prediction H2H (0-0)
 ATP Rankings | |||
|---|---|---|---|
| 1 | 13450 PTS | ||
| 2 | 9460 PTS | ||
| 3 | 7190 PTS | ||
| 4 | 4440 PTS | ||
| 5 | 4160 PTS | ||
| 6 | 4110 PTS | ||
| 7 | 3915 PTS | ||
| 8 | 3760 PTS | ||
| 9 | 3580 PTS | ||
| 10 | 3460 PTS | ||
 Live Tennis Events | |||
|---|---|---|---|
 | Wimbledon - London Great Britain | ||
| Lexus Eastbourne Open - Eastbourne Great Britain | ||
 | Mallorca Championships - Mallorca Spain | ||
 | Piracicaba Challenger Brazil | ||
 | Plovdiv Challenger Bulgaria | ||
 | Targu Mures Challenger Romania | ||
 | M15 Alkmaar Netherlands | ||
 | M15 Bergamo Italy | ||
 | M15 Kamen Germany | ||
 | M15 Kayseri Turkey | ||
 | M15 Kursumlijska Banja Serbia | ||
 | M15 Monastir Tunisia | ||
 | M15 Rzeszow Poland | ||
 | M15 Slovenska Bistrica Slovenia | ||
 | M15 Wuning China | ||
| M25 Bakio Spain | ||
 | M25 Brussels Belgium | ||
 | M25 Porto Portugal | ||
 | M25 Tanger Morocco | ||
 | M25 Zagreb Croatia | ||
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