JiSung Nam vs Takuya KumasakaPrediction, Head-to-Head Results, and Stats
JiSung Nam and Takuya Kumasaka have met 1 time since 2026; JiSung Nam leads 1–0. Across all meetings Nam has taken 2 sets to Kumasaka's 0. Their most recent meeting: JiSung Nam won at Koyushokucho Miyazaki Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Nam | Kumasaka | ||
|---|---|---|---|---|
| Indicator | JiSung Nam | Takuya Kumasaka | ||
| Wins in straight sets | 80% | 8/10 | 78% | 21/27 |
| Wins a set when losing | 27% | 3/11 | 33% | 10/30 |
| Goes to a deciding set | 24% | 5/21 | 28% | 16/57 |
| Covers −1.5 sets as favorite | 80% | 4/5 | 53% | 17/32 |
| Covers +1.5 sets as underdog | 43% | 6/14 | 38% | 8/21 |
| Tiebreak sets won | 50% | 3/6 | 50% | 8/16 |
| Wins after taking set 1 | 77% | 10/13 | 86% | 24/28 |
| Wins 2-0 after taking set 1 | 62% | 8/13 | 75% | 21/28 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 1 completed meetings ended in straight sets (Nam 1, Kumasaka 0).
Style Matchup
Playing styles and historical archetype record
Nam
🪃 Counterpuncher
Kumasaka
🪃 Counterpuncher
Matchup analysis
Both JiSung Nam and Takuya Kumasaka are 🪃 Counterpuncher types. Mirror matchups usually come down to execution, fitness, and surface fit, across 5,190 matches in our dataset the historical split is about even.
Previous meetings
1 career meeting, newest first
Mar 30, 2026
Koyushokucho Miyazaki Challenger
? - · 1st Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Nam | Kumasaka |
|---|---|---|
| W-L | 0–1 | 3–6 |
| Avg odds | 1.93 | 2.35 |
| ROI % | -100.0% | -34.7% |
| Units P/L | -1.00u | -3.12u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Common opponents
Results vs. opponents both players faced · Last 12 months
Nam has a higher win rate against shared opponents (50% vs Kumasaka's 0%).
| Opponent | Nam | Kumasaka |
|---|---|---|
| Luca Castelnuovo | L 46 46 | L 46 57 |
| Yuta Kikuchi | W 64 64 | L 06 67 |
Recent Form
Last five matches per player
Luca Castelnuovo
Shanghai Challenger · Quarterfinals
Sep 11
Denis Yevseyev
Shanghai Challenger · 2nd Round
Sep 10
Rei Sakamoto
Shanghai Challenger · 1st Round
Sep 8
Jan Kumstat
Unicredit Czech Open · 1st Round Qualifying
May 31
Laurent Lokoli
Internazionali Di Tennis - Citta'Di Vicenza · 1st Round Qualifying
May 24
Marat Sharipov
Renault Busan Open Tennis Championships · 1st Round Qualifying
Apr 12
Braden Shick
Miyazaki Challenger · 1st Round
Mar 31
Takuya Kumasaka
Koyushokucho Miyazaki Challenger · 1st Round Qualifying
Mar 30
Martin Borisiouk
Phan Thiet 3 Challenger · 1st Round Qualifying
Sep 6
Joshua Charlton
Zhangjiagang Challenger · 1st Round Qualifying
Aug 30
Hayato Matsuoka
Astana Challenger · 2nd Round
Aug 12
Colin Sinclair
Astana Challenger · 1st Round
Aug 11
Alexander Donski
Grodzisk Mazowiecki Challenger · 1st Round
Aug 4
Florent Bax
Samsun Challenger · 1st Round
Jul 28
Luka Pavlovic
Segovia Challenger · 1st Round
Jul 21
Sergio Callejon Hernando
Segovia Challenger · 3rd Round Qualifying
Jul 20
Win rate
Matches, sets and games won · Last 12 months · 21–58 matches
| Metric | Nam | Kumasaka |
|---|---|---|
| Matches won | 48% | 48% |
| Sets won | 49% | 50% |
| Games won | 52% | 50% |
Record by tier
Head-to-head record by tournament tier
| Stage | Nam | Kumasaka |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Nam | Kumasaka |
|---|---|---|
| Other | 1 | 0 |
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