Korea
| Age | 25 (30-06-1997) |
| Country | Korea |
| Birthplace | Gangwonto |
| Height | 5'9" (175 cm) |
| Weight | 143 lbs (65 kg) |
| Plays | Right-Handed |
| Backhand | Two-Handed |
| Favorite Surface |  Hard 25% |
| Coach | |
| Turned Pro | |
| Player Status | Active |
Hard
Clay
Grass
Indoor
All
Service Stats
| Aces / Game | 0.44 | 51 / 117 |
| DFs / Game | 0.20 | 23 / 117 |
| 1st Srv % | 59.3% | 429 / 723 |
| 1st Srv W % | 70.2% | 301 / 429 |
| 2nd Srv W % | 54.1% | 159 / 294 |
| Srv Pts W % | 63.6% | 460 / 723 |
Return Stats
| Opp Aces / Game | 0.44 | 51 / 117 |
| Opp DFs / Game | 0.32 | 38 / 117 |
| Opp 1st Srv % | 58.7% | 453 / 772 |
| 1st Rtn W % | 32.0% | 145 / 453 |
| 2nd Rtn W % | 53.3% | 170 / 319 |
| Rtn Pts W % | 40.8% | 315 / 772 |
Break Points (Serve)
| BPs Saved / Game | 0.29 | 34 / 117 |
| BPs Faced / Game | 0.51 | 60 / 117 |
| BP Save % | 56.7% | 34 / 60 |
| Service Hold % | 77.8% | 91 / 117 |
Break Points (Rtn)
| BPs Won / Game | 0.26 | 31 / 117 |
| BPs Opps / Game | 0.66 | 77 / 117 |
| BP Won % | 40.3% | 31 / 77 |
| Opp Hold % | 73.5% | 86 / 117 |
 | Mexico City Challenger | |||||
28 Mar 2023 R1 |  | 7 5 6 3 | L |  | H2H | |
 | Puerto Vallarta Challenger | |||||
07 Mar 2023 R1 | ALT | | 6 3 6 3 | L | | H2H |
| Waco Challenger | |||||
03 Mar 2023 QF | | 6 7 7 6 6 2 | L | | H2H | |
01 Mar 2023 R2 | | 7 5 6 1 | W | | H2H | |
| year | All | hard | clay | indoor | grass |
| 2023 | 1-1 | 0-0 | 0-0 | 1-1 | 0-0 |
| 2022 | 0-4 | 0-1 | 0-0 | 0-3 | 0-0 |
| 2018 | 0-2 | 0-0 | 0-0 | 0-1 | 0-1 |
| 2017 | 0-2 | 0-2 | 0-0 | 0-0 | 0-0 |
| 2016 | 1-1 | 1-0 | 0-0 | 0-0 | 0-1 |
| 2015 | 1-1 | 0-0 | 1-1 | 0-0 | 0-0 |
Tournament Level Breakdown
| Grand Slam | 0.0% | 0 / 0 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 0.0% | 0 / 0 |
| Cups | 50.0% | 1 / 1 |
| Challengers | 0.0% | 0 / 0 |
| Futures | 0.0% | 0 / 0 |
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 | 0.0% | 0 / 0 |
| Vs Top.50 | 0.0% | 0 / 1 |
| Vs Top.100 | 0.0% | 0 / 1 |
Surface Breakdown
| Overall | 50.0% | 1 / 1 |
| Hard | 0.0% | 0 / 0 |
| Clay | 0.0% | 0 / 0 |
| Indoor | 50.0% | 1 / 1 |
| Grass | 0.0% | 0 / 0 |
Round Breakdown
Title
Finals
Seong Chan Hong | Loss VIEW H2H |  Jose Statham | ||
Seong Chan Hong | Loss VIEW H2H |  Roberto Bautista Agut | ||
Seong Chan Hong | Loss VIEW H2H |  Denis Istomin | ||
Seong Chan Hong | Loss VIEW H2H |  Vasek Pospisil | ||
Seong Chan Hong | Loss VIEW H2H |  Michael Venus | ||
Seong Chan Hong | Loss VIEW H2H |  David Goffin | ||
Seong Chan Hong | Loss VIEW H2H |  Dusan Lajovic | ||
Seong Chan Hong | Wins VIEW H2H |  Temur Ismailov | ||
Seong Chan Hong | Loss VIEW H2H |  Kaichi Uchida | ||
Seong Chan Hong | Loss VIEW H2H |  Ramkumar Ramanathan | ||
Seong Chan Hong | Loss VIEW H2H |  Aqeel Khan | ||
Seong Chan Hong | Wins VIEW H2H |  Zizou Bergs | ||
 ATP Rankings | |||
|---|---|---|---|
| 1 | 7420 PTS | ||
| 2 | 7160 PTS | ||
| 3 | 5770 PTS | ||
| 4 | 5560 PTS | ||
| 5 | 4330 PTS | ||
| 6 | 3415 PTS | ||
| 7 | 3390 PTS | ||
| 8 | 3325 PTS | ||
| 9 | 3065 PTS | ||
| 10 | 2975 PTS | ||
 Live Events | |||
|---|---|---|---|
| Miami Open - Miami United States | ||
| Girona Challenger Spain | ||
| Lille Challenger France | ||
| Mexico City Challenger Mexico | ||
| Sanremo Challenger Italy | ||
| M15 Antalya Turkey | ||
| M15 Monastir Tunisia | ||
| M15 Sharm ElSheikh Egypt | ||
| M25 Mysuru India | ||
| M25 Saint Dizier France | ||
| M25 Trento Italy | ||
| M25 Trnava Slovak Republic | ||
| M25 Tsukuba Japan | ||
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