Korea, Rep.
| Age | 31 (15-08-1993) |
| Country | Korea, Rep. |
| Birthplace | Busan, Korea |
| Height | 6'0" (183 cm) |
| Weight | 176 lbs (80 kg) |
| Plays | Right-Handed |
| Backhand | Two-Handed |
| Favorite Surface |  Hard 20% |
| Coach | |
| Turned Pro | |
| Player Status | Active |
Match Stats
Hard
Clay
Grass
Indoor
All
Service Stats
| Aces / Game | 0.17 | 39 / 223 |
| DFs / Game | 0.28 | 63 / 223 |
| 1st Serve % | 65.4% | 932 / 1426 |
| 1st Serve Win % | 63.9% | 596 / 932 |
| 2nd Serve Win % | 49.4% | 244 / 494 |
| Service Points Win % | 58.9% | 840 / 1426 |
Return Stats
| Opponent Aces / Game | 0.19 | 43 / 223 |
| Opponent Double Faults / Game | 0.29 | 64 / 223 |
| Opponent 1st Serve % | 61.1% | 941 / 1539 |
| 1st Return Win % | 39.6% | 373 / 941 |
| 2nd Return Win % | 60.0% | 359 / 598 |
| Return Points Win % | 47.6% | 732 / 1539 |
Break Points (Serve)
| Break Points Saved Per Game | 0.33 | 73 / 223 |
| Break Points Faced Per Game | 0.64 | 143 / 223 |
| Break Points Save % | 51.0% | 73 / 143 |
| Service Hold % | 68.7% | 153 / 223 |
Break Points (Rtn)
| Break Points Won Per Game | 0.43 | 96 / 223 |
| Opponent Break Points Per Game | 0.95 | 213 / 223 |
| BP Won % | 45.1% | 96 / 213 |
| Opp Hold % | 57.0% | 127 / 223 |
Ji Sung Nam Past Matches
Ji Sung Nam Surface Summary
| year | All | hard | clay | indoor | grass |
| 2025 | 15-8 | 15-8 | 0-0 | 0-0 | 0-0 |
| 2024 | 14-16 | 12-10 | 2-4 | 0-1 | 0-1 |
| 2023 | 15-20 | 13-15 | 2-4 | 0-1 | 0-0 |
| 2022 | 26-19 | 24-13 | 2-4 | 0-2 | 0-0 |
| 2021 | 4-7 | 2-6 | 0-0 | 1-1 | 1-0 |
| 2020 | 3-6 | 1-2 | 0-1 | 2-3 | 0-0 |
| 2019 | 39-23 | 32-20 | 1-1 | 6-2 | 0-0 |
| 2018 | 40-13 | 37-10 | 3-2 | 0-1 | 0-0 |
| 2017 | 7-2 | 7-2 | 0-0 | 0-0 | 0-0 |
| 2016 | 23-9 | 14-7 | 9-2 | 0-0 | 0-0 |
| 2015 | 18-17 | 16-15 | 2-2 | 0-0 | 0-0 |
| 2014 | 35-22 | 30-18 | 2-3 | 3-1 | 0-0 |
| 2013 | 29-24 | 26-21 | 0-1 | 3-2 | 0-0 |
| 2012 | 27-25 | 20-20 | 5-0 | 2-4 | 0-1 |
| 2011 | 5-15 | 2-10 | 0-3 | 3-2 | 0-0 |
| 2010 | 2-6 | 2-5 | 0-0 | 0-1 | 0-0 |
| 2009 | 1-1 | 1-1 | 0-0 | 0-0 | 0-0 |
Ji Sung Nam Performance Breakdown
Tournament Level Breakdown
| Grand Slam | 0.0% | 0 / 1 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 20.0% | 1 / 4 |
| Cups | 50.0% | 3 / 3 |
| Challengers | 50.0% | 105 / 105 |
| Futures | 61.8% | 194 / 120 |
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 / 0 |
| Vs Top.100 | 12.5% | 1 / 7 |
Surface Breakdown
| Overall | 56.2% | 293 / 228 |
| Hard | 58.1% | 254 / 183 |
| Clay | 50.9% | 28 / 27 |
| Indoor | 38.5% | 10 / 16 |
| Grass | 33.3% | 1 / 2 |
Round Breakdown
| Final | 35.3% | 6 / 11 |
| Semi-Final | 48.6% | 17 / 18 |
| Quarter-Final | 53.0% | 35 / 31 |
| Third | 50.0% | 5 / 5 |
| Second | 64.8% | 68 / 37 |
| First | 55.2% | 100 / 81 |
| Qualifying Final | 59.5% | 22 / 15 |
| Qualifying R2 | 69.6% | 16 / 7 |
| Qualifying R1 | 55.4% | 31 / 25 |
Ji Sung Nam Titles/Finals/Semis
Title
Finals
Ji Sung Nam interesting Heads to Heads
 Ji Sung Nam | Loss VIEW H2H |  Dennis Novak | ||
Ji Sung Nam | Loss VIEW H2H |  Gianluca Mager | ||
Ji Sung Nam | Loss VIEW H2H |  Steve Johnson | ||
Ji Sung Nam | Loss VIEW H2H |  Warit Sornbutnark | ||
Ji Sung Nam | Loss VIEW H2H |  Dane Sweeny | ||
Ji Sung Nam | Loss VIEW H2H |  Tommy Paul | ||
Ji Sung Nam | Wins VIEW H2H |  Jose Statham | ||
Ji Sung Nam | Wins VIEW H2H |  Zhe Li | ||
Ji Sung Nam | Wins VIEW H2H |  Vijayant Malik | ||
Ji Sung Nam | Draw VIEW H2H |  Toshihide Matsui | ||
Ji Sung Nam | Draw VIEW H2H |  Sanchai Ratiwatana | ||
Ji Sung Nam | Draw VIEW H2H |  Teimuraz Gabashvili | ||
Upcoming Tennis Predictions & Head to Heads
Ovcharenko Tanner Prediction H2H (0-0)
Razeghi Stice Prediction H2H (0-0)
Paparkar Mehrotra Prediction H2H (0-0)
Jodar Aguilar Prediction H2H (0-1)
Salle Kim Prediction H2H (0-0)
Bilozertsev Ifi Prediction H2H (0-0)
Max Basing Yuta Tomida Prediction H2H (0-0)
 ATP Rankings | |||
|---|---|---|---|
| 1 | 12030 PTS | ||
| 2 | 8600 PTS | ||
| 3 | 6310 PTS | ||
| 4 | 5035 PTS | ||
| 5 | 4650 PTS | ||
| 6 | 4130 PTS | ||
| 7 | 3350 PTS | ||
| 8 | 3340 PTS | ||
| 9 | 3330 PTS | ||
| 10 | 3110 PTS | ||
 Live Tennis Events | |||
|---|---|---|---|
 | EFG Swiss Open - Gstaad Switzerland | ||
 | Mifel Tennis Open - Los Cabos Mexico | ||
 | Nordea Open - Bastad Sweden | ||
 | Bunschoten Challenger Netherlands | ||
 | Granby Challenger Canada | ||
 | Pozoblanco Challenger Spain | ||
 | San Marino Challenger San Marino | ||
 | M15 Bucaramanga Colombia | ||
 | M15 Gubbio Italy | ||
 | M15 Hillcrest South Africa | ||
 | M15 Kursumlijska Banja Serbia | ||
 | M15 Monastir Tunisia | ||
 | M15 Nova Gorica Slovenia | ||
 | M15 Poprad Slovakia | ||
 | M15 Rochester United States | ||
 | M15 Santa Tecla El Salvador | ||
 | M15 Slobozia Romania | ||
 | M15 Uslar Germany | ||
 | M25 Castelo Branco Portugal | ||
| M25 Gandia Spain | ||
 | M25 Kramsach Austria | ||
| M25 Louisville United States | ||
 | M25 Uriage France | ||
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