H2H data updated: 2026-09-01 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Otto Virtanen vs Lukas Klein.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Lukas Klein | 6-2 6-4 | Otto Virtanen | Match data | Jul 22, 2024 | Q2 | Austrian Open Kitzbühel | ATP 250 | Clay |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Otto Virtanen | #109 | #91 | 639 | 1,692 | 8 | 19 | 29.6% | 0 | 0 | 0 | 0 | 0 | 0 |
| Lukas Klein | #288 | #109 | 544 | 1,736 | 10 | 16 | 38.5% | 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 | Otto Virtanen | Lukas Klein | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 22 | 2023 | 0–3 | 0.0% | #168 | 1,510 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2024 | 3–4 | 42.9% | #94 | 1,660 | 0 | 0 | 2021 | 2–4 | 33.3% | #258 | 1,560 | 0 | 0 |
| 24 | 2025 | 4–6 | 40.0% | #126 | 1,650 | 0 | 0 | 2022 | 0–1 | 0.0% | #136 | 1,559 | 0 | 0 |
| 25 | 2026 | 1–6 | 14.3% | #109 | 1,648 | 0 | 0 | 2023 | 0–1 | 0.0% | #170 | 1,559 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 2024 | 8–9 | 47.1% | #136 | 1,692 | 0 | 0 |
| 27 | — | — | — | — | — | — | — | 2025 | 0–1 | 0.0% | #142 | 1,621 | 0 | 0 |
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 | Otto Virtanen | Lukas Klein | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 22 | 2023 | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2024 | 2 | 2 | 4 | 50.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | 2021 | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% |
| 24 | 2025 | 1 | 3 | 4 | 25.0% | 2 | 2 | 4 | 50.0% | 1 | 1 | 2 | 50.0% | 2022 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 25 | 2026 | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% | 1 | 2 | 3 | 33.3% | 2023 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 6 | 6 | 12 | 50.0% | 2 | 3 | 5 | 40.0% | — | — | — | — |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| Career | — | 3 | 9 | 12 | 25.0% | 2 | 6 | 8 | 25.0% | 3 | 4 | 7 | 42.9% | — | 6 | 9 | 15 | 40.0% | 3 | 5 | 8 | 37.5% | 1 | 2 | 3 | 33.3% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 26/27 of Otto Virtanen's and 25/26 of Lukas Klein's main draw matches. 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 | Otto Virtanen | Lukas Klein | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 22 | 2023 | 3/3 | 6.7 | 6.0 | 55.3% | 70.9% | 34.3% | 53.4% | 38.5% | 54.7% | 26.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 23 | 2024 | 7/7 | 12.3 | 5.0 | 57.9% | 76.1% | 53.1% | 60.2% | 53.6% | 66.7% | 34.4% | 2021 | 5/6 | 2.8 | 3.6 | 63.4% | 68.5% | 46.9% | 57.7% | 38.8% | 61.1% | 36.3% |
| 24 | 2025 | 9/10 | 7.4 | 4.0 | 58.7% | 69.9% | 47.6% | 56.6% | 38.3% | 61.0% | 35.3% | 2022 | 1/1 | 12.0 | 6.0 | 68.1% | 68.4% | 63.0% | 45.5% | 28.6% | 66.7% | 36.0% |
| 25 | 2026 | 7/7 | 11.4 | 4.3 | 59.3% | 70.4% | 46.1% | 55.0% | 38.0% | 60.6% | 32.1% | 2023 | 1/1 | 4.0 | 0.0 | 59.4% | 57.9% | 57.7% | 57.1% | 0.0% | 57.8% | 29.3% |
| 26 | — | —/— | — | — | — | — | — | — | — | — | — | 2024 | 17/17 | 7.8 | 3.3 | 64.6% | 74.3% | 54.9% | 57.0% | 33.5% | 67.3% | 35.1% |
| 27 | — | —/— | — | — | — | — | — | — | — | — | — | 2025 | 1/1 | 11.0 | 4.0 | 59.0% | 70.0% | 55.0% | 50.0% | 40.0% | 64.0% | 39.0% |
| Career | — | 26/27 | 9.7 | 4.6 | 58.2% | 71.8% | 47.1% | 56.8% | 42.4% | 61.7% | 33.2% | — | 25/26 | 6.9 | 3.4 | 64.1% | 72.1% | 53.8% | 56.4% | 33.3% | 65.5% | 35.3% |
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 | Otto Virtanen | Lukas Klein | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 21 | 2022 | 1482 | 95.5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2023 | 1510 | 105.1 | -1.50 | -3.19 | 0.581 | 41.2% | — | — | — | 22.2% | -1.78 | 0–1 | 1–1 | — | 0.00 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2024 | 1660 | 115.8 | +1.61 | -0.57 | 1.033 | 50.3% | -54 | — | — | 50.0% | +0.25 | 0–2 | 1–4 (20%) | — | -0.31 | 2021 | 1561 | 110.3 | +0.25 | -1.57 | 0.933 | 48.8% | — | +12 | — | 42.9% | -0.43 | 0–2 | 1–1 | — | +0.01 |
| 24 | 2025 | 1651 | 121.4 | -1.28 | -0.63 | 0.906 | 48.4% | -83 | -69 | — | 40.9% | -0.45 | 2–0 | 3–3 (50%) | — | -0.58 | 2022 | 1560 | 105.6 | -1.45 | -1.49 | 1.079 | 49.7% | — | — | — | 40.0% | -1.00 | 0–1 | 1–0 | — | +0.12 |
| 25 | 2026 | 1649 | 120.4 | -0.49 | +0.20 | 0.815 | 46.6% | — | — | +75 | 33.3% | -1.04 | 1–3 (25%) | 4–5 (44%) | — | -0.54 | 2023 | 1560 | 107.4 | +1.15 | -1.85 | 0.695 | 44.3% | — | — | — | 0.0% | -3.00 | — | — | — | -0.08 |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1692 | 127.5 | +1.62 | +0.01 | 1.073 | 50.6% | +20 | -109 | — | 52.1% | +0.15 | 3–7 (30%) | 9–7 (56%) | — | -0.34 |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1621 | 113.5 | -0.48 | +0.92 | 1.083 | 51.0% | — | — | — | 25.0% | -0.25 | — | 0–1 | — | -0.23 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1621 | 101.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1693 | 117.5 | -0.31 | -0.69 | 0.866 | 47.6% | -69 | -69 | +75 | 39.2% | -0.57 | 3–6 (33%) | 9–13 (41%) | 97.1 | -5.50 | — | 1737 | 119.7 | +1.12 | -0.40 | 1.024 | 50.0% | +20 | -64 | — | 46.6% | -0.15 | 3–10 (23%) | 11–9 (55%) | 98.1 | -2.00 |
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 |
|---|---|---|---|---|---|
| Nuno Borges | 0 | 2 | 2 | Jun 13, 2025 | H2H |
| Tomas Martin Etcheverry | 1 | 1 | 2 | Jun 12, 2025 | H2H |
| Daniel Altmaier | 1 | 1 | 2 | Apr 3, 2025 | H2H |
| Andrey Rublev | 0 | 1 | 1 | Aug 31, 2026 | H2H |
| Arthur Fery | 0 | 1 | 1 | Jul 2, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| James Duckworth | 1 | 1 | 2 | Nov 7, 2024 | H2H |
| Sebastian Korda | 0 | 1 | 1 | Jan 14, 2025 | H2H |
| Jiri Lehecka | 0 | 1 | 1 | Nov 9, 2024 | H2H |
| Tomas Martin Etcheverry | 1 | 0 | 1 | Nov 8, 2024 | H2H |
| Nicolas Jarry | 0 | 1 | 1 | Sep 22, 2024 | H2H |