H2H data updated: 2026-08-15 02:40 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Nicolai Budkov Kjaer vs Yan Bai.
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| Winner | Score | Loser | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| No head-to-head meetings found. | ||||||||
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nicolai Budkov Kjaer | #155 | #118 | 530 | 1,635 | 3 | 7 | 30.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Yan Bai | #485 | #200 | 262 | 1,543 | 2 | 6 | 25.0% | 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.
| Nicolai Budkov Kjaer | Yan Bai | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2025 | 1–3 | 25.0% | #136 | 1,536 | 0 | 0 | 2008 | 0–1 | 0.0% | #634 | 1,467 | 0 | 0 |
| 2026 | 2–4 | 33.3% | #155 | 1,585 | 0 | 0 | 2010 | 1–1 | 50.0% | #353 | 1,495 | 0 | 0 |
| — | — | — | — | — | — | — | 2014 | 0–1 | 0.0% | #416 | 1,479 | 0 | 0 |
| — | — | — | — | — | — | — | 2015 | 1–2 | 33.3% | #220 | 1,505 | 0 | 0 |
| — | — | — | — | — | — | — | 2019 | 0–1 | 0.0% | #215 | 1,463 | 0 | 0 |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Nicolai Budkov Kjaer | Yan Bai | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Yr | Hard | Clay | ||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 2025 | 0 | 2 | 2 | 0.0% | 1 | 1 | 2 | 50.0% | 2008 | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 2026 | 0 | 2 | 2 | 0.0% | 2 | 2 | 4 | 50.0% | 2010 | 1 | 1 | 2 | 50.0% | — | — | — | — |
| — | — | — | — | — | — | — | — | — | 2014 | 0 | 1 | 1 | 0.0% | — | — | — | — |
| — | — | — | — | — | — | — | — | — | 2015 | 1 | 2 | 3 | 33.3% | — | — | — | — |
| — | — | — | — | — | — | — | — | — | 2019 | 0 | 1 | 1 | 0.0% | — | — | — | — |
| Career | 0 | 4 | 4 | 0.0% | 3 | 3 | 6 | 50.0% | Career | 2 | 6 | 8 | 25.0% | — | — | — | — |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Nicolai Budkov Kjaer | Yan Bai | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| 2025 | 4/4 | 3.8 | 3.3 | 60.0% | 68.8% | 48.0% | 53.3% | 33.0% | 60.0% | 30.8% | 2008 | 1/1 | 1.0 | 4.0 | 53.6% | 62.2% | 43.6% | 66.7% | 25.0% | 53.6% | 37.5% |
| 2026 | 6/6 | 2.2 | 1.3 | 65.7% | 66.3% | 48.5% | 17.8% | 41.7% | 61.7% | 34.7% | 2010 | 2/2 | 2.0 | 1.5 | 60.6% | 55.9% | 53.0% | 64.1% | 62.5% | 54.9% | 38.1% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2014 | 1/1 | 3.0 | 5.0 | 49.1% | 71.4% | 51.7% | 80.0% | 0.0% | 61.4% | 29.9% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2015 | 3/3 | 2.7 | 3.3 | 53.1% | 67.1% | 41.5% | 52.4% | 58.3% | 55.4% | 29.3% |
| — | —/— | — | — | — | — | — | — | — | — | — | 2019 | 1/1 | 7.0 | 0.0 | 57.6% | 71.7% | 53.8% | 60.0% | 42.9% | 64.1% | 34.4% |
| Career | 10/10 | 2.8 | 2.1 | 63.4% | 67.3% | 48.3% | 32.0% | 38.2% | 61.0% | 33.1% | Career | 8/8 | 2.9 | 2.8 | 55.1% | 64.8% | 47.4% | 61.5% | 46.0% | 56.9% | 33.2% |
Rows are aligned in career order because complete birth data is unavailable. 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.
| Nicolai Budkov Kjaer | Yan Bai | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Schedule |
| 2025 | 1536 | 112.8 | -1.64 | -2.71 | 0.769 | 46.3% | — | — | — | 30.0% | -1.20 | 1–1 | 1–0 | +0.04 | 2007 | 1484 | 98.5 | — | — | — | — | — | — | — | — | — | — | — | — |
| 2026 | 1585 | 114.8 | -1.41 | +1.11 | 0.904 | 48.5% | — | +27 | — | 18.2% | -1.82 | — | — | -0.34 | 2008 | 1468 | 97.7 | -1.30 | -0.99 | 0.808 | 46.2% | — | — | — | 0.0% | -2.00 | — | — | +0.33 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2010 | 1495 | 118.3 | +0.92 | +1.91 | 0.844 | 47.5% | — | — | — | 50.0% | -0.75 | — | — | -0.07 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2013 | 1488 | 98.3 | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2014 | 1479 | 112.6 | +1.45 | +2.11 | 0.773 | 44.4% | — | — | — | 0.0% | -2.50 | — | — | -0.11 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2015 | 1505 | 105.5 | -1.92 | -1.01 | 0.658 | 44.1% | +12 | — | — | 33.3% | -1.17 | — | 0–1 | +0.23 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1488 | 100.7 | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 1466 | 96.0 | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2019 | 1463 | 108.5 | +1.20 | -0.08 | 0.958 | 48.9% | — | — | — | 33.3% | -0.67 | 0–1 | 0–1 | -0.08 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2020 | 1448 | 97.2 | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1442 | 104.1 | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1459 | 96.3 | — | — | — | — | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1444 | 98.0 | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1636 | 114.0 | -1.50 | -0.42 | 0.849 | 47.6% | — | +27 | — | 23.8% | -1.52 | 1–1 | 1–0 | -3.00 | Career | 1544 | 108.5 | -0.32 | +0.23 | 0.771 | 45.8% | +12 | — | — | 29.4% | -1.24 | 0–1 | 0–2 | +3.75 |
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 |
|---|---|---|---|---|---|
| Reilly Opelka | 1 | 1 | 2 | Apr 23, 2026 | H2H |
| Andrea Pellegrino | 0 | 1 | 1 | Jul 14, 2026 | H2H |
| Daniil Medvedev | 0 | 1 | 1 | Apr 27, 2026 | H2H |
| Denis Shapovalov | 1 | 0 | 1 | Apr 25, 2026 | H2H |
| Jaume Munar | 0 | 1 | 1 | Feb 9, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Daniel Evans | 0 | 1 | 1 | Sep 26, 2019 | H2H |
| Leonardo Mayer | 0 | 1 | 1 | Oct 13, 2015 | H2H |
| Adrian Mannarino | 0 | 1 | 1 | Oct 2, 2015 | H2H |
| Takuto Niki | 1 | 0 | 1 | Oct 1, 2015 | H2H |
| Marin Cilic | 0 | 1 | 1 | Oct 2, 2014 | H2H |