JiSung Nam vs Rei SakamotoPrediction, Head-to-Head Results, and Stats
JiSung Nam and Rei Sakamoto have met 1 time since 2026; JiSung Nam leads 1–0. Across all meetings Nam has taken 2 sets to Sakamoto's 0. Their most recent meeting: JiSung Nam won at Shanghai Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Nam | Sakamoto | ||
|---|---|---|---|---|
| Indicator | JiSung Nam | Rei Sakamoto | ||
| Wins in straight sets | 80% | 8/10 | 63% | 29/46 |
| Wins a set when losing | 27% | 3/11 | 25% | 6/24 |
| Goes to a deciding set | 24% | 5/21 | 33% | 23/70 |
| Covers −1.5 sets as favorite | 80% | 4/5 | 47% | 23/49 |
| Covers +1.5 sets as underdog | 43% | 6/14 | 56% | 10/18 |
| Tiebreak sets won | 50% | 3/6 | 51% | 20/39 |
| Wins after taking set 1 | 77% | 10/13 | 90% | 37/41 |
| Wins 2-0 after taking set 1 | 62% | 8/13 | 71% | 29/41 |
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, Sakamoto 0).
Style Matchup
Playing styles and historical archetype record
Nam
🪃 Counterpuncher
Sakamoto
🤖 Servebot
Matchup analysis
The 🤖 Servebot archetype wins about 55% vs 🪃 Counterpuncher across 3,438 matches in our dataset: a stylistic lean toward Rei Sakamoto.
Servebot players often use high ace rate and dominant service to pressure the counterpuncher's elite bp conversion.
Previous meetings
1 career meeting, newest first
Sep 8, 2026
Shanghai Challenger
H Hard · 1st Round
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Nam | Sakamoto |
|---|---|---|
| W-L | 0–1 | 14–6 |
| Avg odds | 1.93 | 1.86 |
| ROI % | -100.0% | +15.9% |
| Units P/L | -1.00u | +3.19u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Nam | Sakamoto |
|---|---|---|
| Countries | — | 2 |
| Events | — | 2 |
| Matches | — | 6 |
| Distance | — | 1,092 mi · 1,758 km |
| Route | — | JPN → CHN |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Sakamoto has a higher win rate against shared opponents (100% vs Nam's 0%).
| Opponent | Nam | Sakamoto |
|---|---|---|
| Jurij Rodionov | L 62 67 26 | W 61 64 |
| Hynek Barton | L 76 46 67 | W 36 63 64 |
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
Alex de Minaur
Shanghai Rolex Masters - Shanghai · 3rd Round
Oct 11
Andrey Rublev
Shanghai Rolex Masters - Shanghai · 2nd Round
Oct 9
Marco Trungelliti
Shanghai Rolex Masters - Shanghai · 1st Round
Oct 7
Kyrian Jacquet
Shanghai Rolex Masters - Shanghai · 3rd Round Qualifying
Oct 6
Seongchan Hong
Shanghai Rolex Masters - Shanghai · 1st Round Qualifying
Oct 5
Matteo Arnaldi
Japan Open Tennis Championships - Tokyo · 1st Round
Sep 30
Anton Shepp
Davis Cup, Group I, 1R, NZL-JPN 1-3 · Rubber 1
Sep 19
Ji Sung Nam
Shanghai Challenger · 1st Round
Sep 8
Win rate
Matches, sets and games won · Last 12 months · 21–74 matches
| Metric | Nam | Sakamoto |
|---|---|---|
| Matches won | 48% | 64% |
| Sets won | 49% | 58% |
| Games won | 52% | 52% |
Record by tier
Head-to-head record by tournament tier
| Stage | Nam | Sakamoto |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Nam | Sakamoto |
|---|---|---|
| Hard | 1 | 0 |
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