H2H data updated: 2026-09-02 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Jan Choinski vs Robin Kern.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Jan Choinski | 6-0 4-0 (ret.) | Robin Kern | Match data | Jun 8, 2015 | Q1 | Stuttgart Open | ATP 250 | Grass |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan Choinski | #76 | #75 | 775 | 1,616 | 5 | 17 | 22.7% | 0 | 0 | 0 | 0 | 0 | 0 |
| Robin Kern | #1,510 | #350 | 119 | 1,535 | 0 | 3 | 0.0% | 0 | 0 | 0 | 0 | 0 | 0 |
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 | Jan Choinski | Robin Kern | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | — | — | — | — | — | — | — | 2011 | 0–1 | 0.0% | #960 | 1,478 | 0 | 0 |
| 18 | — | — | — | — | — | — | — | 2012 | 0–1 | 0.0% | #387 | 1,473 | 0 | 0 |
| 19 | — | — | — | — | — | — | — | 2013 | 0–1 | 0.0% | #450 | 1,499 | 0 | 0 |
| 20 | 2016 | 0–1 | 0.0% | #606 | 1,490 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 2023 | 1–4 | 20.0% | #160 | 1,494 | 0 | 0 | — | — | — | — | — | — | — |
| 28 | 2024 | 1–3 | 25.0% | #173 | 1,537 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 2025 | 0–1 | 0.0% | #125 | 1,509 | 0 | 0 | — | — | — | — | — | — | — |
| 30 | 2026 | 3–8 | 27.3% | #76 | 1,570 | 0 | 0 | — | — | — | — | — | — | — |
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 | Jan Choinski | Robin Kern | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2010 | 1484 | 99.7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2011 | 1479 | 101.9 | +1.08 | -4.50 | 0.731 | 44.4% | — | — | — | 0.0% | -3.50 | — | — | — | -0.09 |
| 18 | 2014 | 1499 | 100.8 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2012 | 1473 | 104.5 | +0.34 | -0.51 | 0.784 | 46.0% | — | — | — | 0.0% | -2.50 | — | 0–1 | — | -0.08 |
| 19 | 2015 | 1499 | 99.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2013 | 1499 | 104.8 | -0.80 | -0.35 | 0.924 | 48.0% | — | — | — | 33.3% | -0.67 | 0–1 | — | — | +0.25 |
| 20 | 2016 | 1491 | — | -3.01 | -1.26 | 0.769 | 45.0% | — | — | — | — | — | — | — | — | +0.05 | 2014 | 1491 | 102.3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2015 | 1475 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2018 | 1462 | 98.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2019 | 1451 | 97.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2023 | 1494 | 100.2 | -1.56 | -1.66 | 0.770 | 46.4% | — | — | +9 | 23.1% | -1.00 | — | 1–1 | — | +0.06 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2024 | 1538 | 109.7 | -0.19 | -0.21 | 0.910 | 48.9% | — | — | — | 40.0% | -0.47 | 1–2 (33%) | 1–2 (33%) | — | +0.08 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2025 | 1509 | 102.0 | — | — | — | — | — | — | — | 33.3% | -0.67 | 0–1 | — | — | -0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2026 | 1570 | 115.2 | -0.80 | -1.19 | 0.917 | 48.4% | -58 | — | -6 | 36.7% | -0.53 | 2–3 (40%) | 2–5 (29%) | — | +0.40 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1616 | 108.2 | -0.97 | -1.12 | 0.871 | 47.8% | -58 | — | +1 | 34.4% | -0.62 | 3–6 (33%) | 4–8 (33%) | 96.4 | +2.45 | — | 1536 | 105.1 | +0.21 | -1.79 | 0.801 | 46.2% | — | — | — | 14.3% | -2.00 | 0–1 | 0–1 | — | +2.67 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Hubert Hurkacz | 0 | 2 | 2 | Apr 5, 2024 | H2H |
| Mees Rottgering | 0 | 1 | 1 | Aug 24, 2026 | H2H |
| Thiago Agustin Tirante | 0 | 1 | 1 | Aug 13, 2026 | H2H |
| Nikoloz Basilashvili | 0 | 1 | 1 | Jul 14, 2026 | H2H |
| Frances Tiafoe | 0 | 1 | 1 | Jul 2, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Nils Langer | 0 | 1 | 1 | Jul 11, 2013 | H2H |
| Thomaz Bellucci | 0 | 1 | 1 | Jul 12, 2012 | H2H |
| Fabio Fognini | 0 | 1 | 1 | Jul 14, 2011 | H2H |