Kentaro Masuda
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Mikael Tillstrom | 0 | 1 | 1 | Apr 15, 1998 | H2H |
| Guillaume Raoux | 0 | 1 | 1 | Apr 6, 1994 | H2H |
| Steve Bryan | 0 | 1 | 1 | Apr 8, 1992 | H2H |
| John Stimpson | 0 | 1 | 1 | Apr 10, 1991 | H2H |
| Todd Witsken | 0 | 1 | 1 | Oct 10, 1990 | H2H |
H2H data updated: 2026-09-03 00:00 UTC
Kentaro Masuda vs John Stimpson H2H: 0-1
John Stimpson holds a 1–0 lead over Kentaro Masuda in their ATP head-to-head. Across 1 main-draw meeting, John Stimpson leads 1–0 on hard courts. Most recently, John Stimpson won the 1991 Japan Open round of 64 6-1 6-1.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
0
–
1
1 main draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| John Stimpson | 6-1 6-1 | Kentaro Masuda | Match data | Apr 10, 1991* | R64 | Japan Open | ATP Championship Series → modern equivalent ATP 500 | Hard |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kentaro Masuda | #1,497 | #344 | 103 | 1,500 | 0 | 6 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| John Stimpson | #817 | #178 | 175 | 1,506 | 1 | 3 | 25.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Kentaro Masuda | John Stimpson | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 1990 | 0–2 | 0.0% | #561 | 1,486 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1991 | 0–1 | 0.0% | #631 | 1,470 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 1992 | 0–1 | 0.0% | #426 | 1,458 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 1994 | 0–1 | 0.0% | #1219 | 1,452 | 0 | 0 | 1991 | 1–3 | 25.0% | #213 | 1,486 | 0 | 0 |
| 26 | 1998 | 0–1 | 0.0% | #483 | 1,445 | 0 | 0 | — | — | — | — | — | — | — |
Surface Results by Age
Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Age | Kentaro Masuda | John Stimpson | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Carpet | Yr | Hard | Carpet | |||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 18 | 1990 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — |
| 19 | 1991 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 1992 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 1994 | 0 | 1 | 1 | 0.0% | — | — | — | — | 1991 | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% |
| 26 | 1998 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 0 | 5 | 5 | 0.0% | 0 | 1 | 1 | 0.0% | — | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% |
Performance Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Age | Kentaro Masuda | John Stimpson | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | |
| 19 | 1991 | 1/1 | 1.0 | 1.0 | 75.0% | 46.2% | 30.8% | 28.6% | 0.0% | 42.3% | 25.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 1992 | 1/1 | 0.0 | 0.0 | 47.7% | 42.9% | 39.1% | 37.5% | 100.0% | 40.9% | 31.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 1994 | 1/1 | 0.0 | 0.0 | 69.1% | 57.4% | 33.3% | 44.4% | 33.3% | 50.0% | 36.7% | 1991 | 4/4 | 1.3 | 1.8 | 74.1% | 59.8% | 58.4% | 64.2% | 49.1% | 59.1% | 41.8% |
| 26 | 1998 | 1/1 | 2.0 | 2.0 | 54.8% | 55.0% | 51.5% | 44.4% | 50.0% | 53.4% | 34.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 4/6 | 0.8 | 0.8 | 61.7% | 50.4% | 38.7% | 38.7% | 45.8% | 46.7% | 32.1% | — | 4/4 | 1.3 | 1.8 | 74.1% | 59.8% | 58.4% | 64.2% | 49.1% | 59.1% | 41.8% |
Advanced Statistics Comparison by Age
Seasons are aligned by the age each player spent most of that calendar year. Metrics are precomputed from eligible main-draw results; point-stat values use the available detailed sample. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Kentaro Masuda | John Stimpson | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 18 | 1990 | 1487 | 104.2 | — | — | — | — | — | — | — | 0.0% | -3.25 | — | — | — | -0.21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 1991 | 1471 | 93.1 | -0.89 | -1.75 | 0.444 | 35.2% | — | — | — | 0.0% | -5.00 | — | — | — | +0.16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 1992 | 1459 | 95.6 | -1.91 | -5.33 | 0.538 | 36.4% | — | — | — | 0.0% | -4.50 | — | — | — | +0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 1994 | 1452 | 101.8 | -2.74 | -0.37 | 0.733 | 43.8% | — | — | — | 0.0% | -3.00 | — | — | — | -0.10 | 1991 | 1486 | 106.7 | -1.51 | -0.18 | 1.023 | 49.9% | +35 | — | — | 25.0% | -0.50 | — | 0–1 | — | +0.05 |
| 26 | 1998 | 1446 | 102.3 | +0.58 | -0.79 | 0.734 | 43.4% | — | — | — | 33.3% | -2.33 | 0–1 | — | — | -0.09 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1500 | 98.9 | -1.24 | -2.06 | 0.601 | 39.7% | — | — | — | 7.7% | -3.46 | 0–1 | — | — | -2.67 | — | 1507 | 103.9 | -1.51 | -0.18 | 1.023 | 49.9% | +35 | — | — | 25.0% | -0.50 | — | 0–1 | — | +1.25 |
Career Rivalries
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
John Stimpson
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Robbie Weiss | 0 | 1 | 1 | Sep 11, 1991 | H2H |
| Dan Goldie | 0 | 1 | 1 | Apr 11, 1991 | H2H |
| Kentaro Masuda | 1 | 0 | 1 | Apr 10, 1991 | H2H |
| Patrik Kuhnen | 0 | 1 | 1 | Apr 4, 1991 | H2H |