Ryan Colby vs Shunsuke MitsuiPrediction, Head-to-Head Results, and Stats
Ryan Colby and Shunsuke Mitsui have met 2 times since 2026; Shunsuke Mitsui leads 2–0. Their first meeting came at M25 Winston-Salem 1 in 2026 on hard. On hard courts Mitsui leads 2–0. Mitsui has won the last 2 meetings. Across all meetings Colby has taken 0 sets to Mitsui's 4. Their most recent meeting: Shunsuke Mitsui won at Columbus Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Colby | Mitsui | ||
|---|---|---|---|---|
| Indicator | Ryan Colby | Shunsuke Mitsui | ||
| Wins in straight sets | 61% | 22/36 | 64% | 18/28 |
| Wins a set when losing | 42% | 10/24 | 31% | 4/13 |
| Goes to a deciding set | 40% | 24/60 | 34% | 14/41 |
| Covers −1.5 sets as favorite | 42% | 11/26 | 52% | 17/33 |
| Covers +1.5 sets as underdog | 69% | 20/29 | 50% | 4/8 |
| Tiebreak sets won | 36% | 8/22 | 47% | 9/19 |
| Wins after taking set 1 | 79% | 31/39 | 96% | 22/23 |
| Wins 2-0 after taking set 1 | 56% | 22/39 | 78% | 18/23 |
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: 2 of 2 completed meetings ended in straight sets (Colby 0, Mitsui 2).
Style Matchup
Playing styles and historical archetype record
Colby
🧱 The Wall
Mitsui
🪃 Counterpuncher
Matchup analysis
The 🪃 Counterpuncher archetype wins about 55% vs 🧱 The Wall across 685 matches in our dataset: a stylistic lean toward Shunsuke Mitsui.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the wall's elite returner.
Previous meetings
2 career meetings, newest first
Sep 27, 2026
Columbus Challenger
H Hard · 1st Round Qualifying
Jan 7, 2026
M25 Winston-Salem 1
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Colby | Mitsui | ||
|---|---|---|---|---|
| Outcome | Ryan Colby | Shunsuke Mitsui | ||
| 1 or more | 50% | 3/6 | 94% | 17/18 |
| 3 or more | 17% | 1/6 | 50% | 9/18 |
| 5 or more | 17% | 1/6 | 22% | 4/18 |
| 10 or more | 0% | 0/6 | 6% | 1/18 |
| 15 or more | 0% | 0/6 | 0% | 0/18 |
| 20 or more | 0% | 0/6 | 0% | 0/18 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Colby | Mitsui |
|---|---|---|
| W-L | 3–5 | 14–6 |
| Avg odds | 2.61 | 1.41 |
| ROI % | -10.4% | -8.1% |
| Units P/L | -0.83u | -1.61u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Colby | Mitsui |
|---|---|---|
| Countries | 1 | 1 |
| Events | 1 | 2 |
| Matches | 1 | 3 |
| Distance | 0 mi · 0 km | 1,953 mi · 3,143 km |
| Route | USA | USA |
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
Colby has a higher win rate against shared opponents (100% vs Mitsui's 67%).
| Opponent | Colby | Mitsui |
|---|---|---|
| Joao Mendes | W 36 63 62 | W 67 61 64 |
| Dhakshineswar Suresh | W 76 76 | W 76 76 |
| Alexander Kotzen | W 64 16 107 | L 36 63 67 |
Recent Form
Last five matches per player
Shunsuke Mitsui
Columbus Challenger · 1st Round Qualifying
Sep 27
Vasco Leote Prata
M25 Sintra · 1st Round
Sep 16
Finn Murgett
M25 Sintra · 2nd Round
Sep 10
Joao Mendes
M25 Sintra · 1st Round
Sep 9
Jakub Vrba
M15 Champaign · 2nd Round
Aug 27
Nikola Djosic
M15 Champaign · 1st Round
Aug 25
Spencer Johnson
Lexington Challenger · 3rd Round Qualifying
Aug 3
Dhakshineswar Suresh
Lexington Challenger · 1st Round Qualifying
Aug 2
Oliver Okonkwo
Columbus Challenger · 3rd Round Qualifying
Sep 28
Ryan Colby
Columbus Challenger · 1st Round Qualifying
Sep 27
Ozan Baris
San Diego 2 Challenger · 1st Round Qualifying
Sep 20
Ryuki Matsuda
M25 Urayasu · Quarterfinals
Sep 4
Noritaka Koizumi
M25 Urayasu · 2nd Round
Sep 3
Shunsuke Nakagawa
M25 Urayasu · 1st Round
Sep 1
Matthew Dellavedova
M25 Taipei · Semifinals
Aug 22
Tung-Lin Wu
M25 Taipei · Quarterfinals
Aug 21
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 41–61 matches
| Metric | Colby | Mitsui |
|---|---|---|
| Matches won | 59% | 68% |
| Sets won | 57% | 63% |
| Games won | 52% | 55% |
Record by tier
Head-to-head record by tournament tier
| Stage | Colby | Mitsui |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
| ITF M25 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Colby | Mitsui |
|---|---|---|
| Hard | 0 | 2 |
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