H2H data updated: 2026-09-09 00:00 UTC
Karel Novacek holds a 3–0 lead over Udo Riglewski in their ATP head-to-head. Across 3 main-draw meetings, Karel Novacek leads 1–0 on carpet and 1–0 on clay. Most recently, Karel Novacek won the 1991 Moscow round of 32 7-6(5) 6-2.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Karel Novacek | 7-6(5) 6-2 | Udo Riglewski | Match data | Nov 7, 1991* | R32 | Moscow | ATP World Series → modern equivalent ATP 250 | Carpet |
| Karel Novacek | 7-6(3) 6-3 6-4 | Udo Riglewski | Match data | Jun 26, 1991* | R128 | Wimbledon | Grand Slam | Grass |
| Karel Novacek | 4-6 6-3 6-4 | Udo Riglewski | Match data | Jul 16, 1987* | R32 | Stuttgart Open | ATP 250 | Clay |
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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karel Novacek | #1,345 | #8 | 1,754 | 1,997 | 287 | 231 | 55.4% | 0 | 1 | 0 | 0 | 12 | 13 |
| Udo Riglewski | #1,274 | #82 | 394 | 1,657 | 43 | 79 | 35.2% | 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 | Karel Novacek | Udo Riglewski | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | — | — | — | — | — | — | — | 1985 | 2–2 | 50.0% | #204 | 1,537 | 0 | 0 |
| 19 | 1984 | 6–6 | 50.0% | #138 | 1,553 | 0 | 0 | 1986 | 1–2 | 33.3% | #371 | 1,531 | 0 | 0 |
| 20 | 1985 | 4–4 | 50.0% | #159 | 1,558 | 0 | 0 | 1987 | 1–2 | 33.3% | #338 | 1,533 | 0 | 0 |
| 21 | 1986 | 16–14 | 53.3% | #33 | 1,693 | 0 | 1 | 1988 | 4–10 | 28.6% | #93 | 1,502 | 0 | 0 |
| 22 | 1987 | 17–22 | 43.6% | #76 | 1,643 | 0 | 1 | 1989 | 9–16 | 36.0% | #142 | 1,532 | 0 | 0 |
| 23 | 1988 | 13–13 | 50.0% | #127 | 1,637 | 0 | 1 | 1990 | 15–23 | 39.5% | #88 | 1,611 | 0 | 0 |
| 24 | 1989 | 16–13 | 55.2% | #74 | 1,685 | 0 | 2 | 1991 | 10–20 | 33.3% | #170 | 1,586 | 0 | 0 |
| 25 | 1990 | 31–29 | 51.7% | #34 | 1,706 | 0 | 3 | 1992 | 1–2 | 33.3% | #369 | 1,589 | 0 | 0 |
| 26 | 1991 | 56–29 | 65.9% | #8 | 1,844 | 0 | 7 | 1993 | 0–1 | 0.0% | #578 | 1,578 | 0 | 0 |
| 27 | 1992 | 37–23 | 61.7% | #23 | 1,822 | 0 | 10 | 1994 | 0–1 | 0.0% | #1153 | 1,561 | 0 | 0 |
| 28 | 1993 | 41–22 | 65.1% | #17 | 1,761 | 0 | 12 | — | — | — | — | — | — | — |
| 29 | 1994 | 36–29 | 55.4% | #28 | 1,790 | 0 | 13 | — | — | — | — | — | — | — |
| 30 | 1995 | 13–24 | 35.1% | #121 | 1,597 | 0 | 13 | — | — | — | — | — | — | — |
| 31 | 1996 | 1–3 | 25.0% | #409 | 1,581 | 0 | 13 | — | — | — | — | — | — | — |
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 | Karel Novacek | Udo Riglewski | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | |||||||||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1985 | 0 | 1 | 1 | 0.0% | 2 | 1 | 3 | 66.7% | — | — | — | — | — | — | — | — |
| 19 | 1984 | 0 | 2 | 2 | 0.0% | 6 | 4 | 10 | 60.0% | — | — | — | — | — | — | — | — | 1986 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 20 | 1985 | 0 | 1 | 1 | 0.0% | 4 | 3 | 7 | 57.1% | — | — | — | — | — | — | — | — | 1987 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 21 | 1986 | 8 | 5 | 13 | 61.5% | 7 | 7 | 14 | 50.0% | 0 | 1 | 1 | 0.0% | 1 | 1 | 2 | 50.0% | 1988 | 1 | 4 | 5 | 20.0% | 2 | 5 | 7 | 28.6% | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 22 | 1987 | 1 | 6 | 7 | 14.3% | 14 | 11 | 25 | 56.0% | 0 | 1 | 1 | 0.0% | 2 | 4 | 6 | 33.3% | 1989 | 2 | 5 | 7 | 28.6% | 4 | 9 | 13 | 30.8% | — | — | — | — | 3 | 2 | 5 | 60.0% |
| 23 | 1988 | 0 | 1 | 1 | 0.0% | 12 | 8 | 20 | 60.0% | 1 | 1 | 2 | 50.0% | 0 | 3 | 3 | 0.0% | 1990 | 3 | 7 | 10 | 30.0% | 6 | 12 | 18 | 33.3% | 1 | 1 | 2 | 50.0% | 5 | 3 | 8 | 62.5% |
| 24 | 1989 | — | — | — | — | 15 | 11 | 26 | 57.7% | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | 1991 | 3 | 7 | 10 | 30.0% | 2 | 7 | 9 | 22.2% | 0 | 1 | 1 | 0.0% | 5 | 5 | 10 | 50.0% |
| 25 | 1990 | 8 | 10 | 18 | 44.4% | 18 | 11 | 29 | 62.1% | 2 | 2 | 4 | 50.0% | 3 | 6 | 9 | 33.3% | 1992 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 26 | 1991 | 9 | 5 | 14 | 64.3% | 33 | 10 | 43 | 76.7% | 3 | 1 | 4 | 75.0% | 11 | 13 | 24 | 45.8% | 1993 | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 27 | 1992 | 2 | 5 | 7 | 28.6% | 27 | 10 | 37 | 73.0% | 0 | 1 | 1 | 0.0% | 8 | 7 | 15 | 53.3% | 1994 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 28 | 1993 | 10 | 2 | 12 | 83.3% | 21 | 13 | 34 | 61.8% | 0 | 1 | 1 | 0.0% | 10 | 6 | 16 | 62.5% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 1994 | 11 | 8 | 19 | 57.9% | 18 | 13 | 31 | 58.1% | 3 | 2 | 5 | 60.0% | 4 | 6 | 10 | 40.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 1995 | 4 | 7 | 11 | 36.4% | 7 | 11 | 18 | 38.9% | 0 | 1 | 1 | 0.0% | 2 | 5 | 7 | 28.6% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 1996 | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 54 | 54 | 108 | 50.0% | 182 | 113 | 295 | 61.7% | 10 | 12 | 22 | 45.5% | 41 | 52 | 93 | 44.1% | — | 10 | 25 | 35 | 28.6% | 18 | 39 | 57 | 31.6% | 2 | 3 | 5 | 40.0% | 13 | 12 | 25 | 52.0% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 286/314 of Karel Novacek's and 34/35 of Udo Riglewski'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 | Karel Novacek | Udo Riglewski | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 24 | — | —/— | — | — | — | — | — | — | — | — | — | 1991 | 29/30 | 3.5 | 2.0 | 61.2% | 67.4% | 46.1% | 56.6% | 39.7% | 58.9% | 35.8% |
| 25 | — | —/— | — | — | — | — | — | — | — | — | — | 1992 | 3/3 | 2.0 | 3.7 | 48.2% | 68.8% | 36.7% | 49.2% | 61.4% | 51.5% | 39.4% |
| 26 | 1991 | 78/85 | 5.3 | 2.6 | 56.5% | 73.8% | 52.0% | 60.4% | 45.8% | 64.6% | 39.7% | 1993 | 1/1 | 7.0 | 9.0 | 58.0% | 65.5% | 45.2% | 44.4% | 14.3% | 57.0% | 36.4% |
| 27 | 1992 | 57/60 | 4.7 | 1.9 | 54.9% | 72.2% | 49.8% | 62.9% | 42.5% | 62.1% | 41.6% | 1994 | 1/1 | 4.0 | 2.0 | 55.9% | 55.3% | 33.3% | 40.0% | 50.0% | 45.6% | 39.0% |
| 28 | 1993 | 54/63 | 6.6 | 2.2 | 55.4% | 75.3% | 51.7% | 58.5% | 37.1% | 64.6% | 38.9% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 1994 | 59/65 | 8.2 | 2.5 | 57.7% | 74.0% | 48.7% | 61.7% | 41.0% | 63.3% | 37.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 30 | 1995 | 35/37 | 7.4 | 1.9 | 57.7% | 71.3% | 50.2% | 60.4% | 34.5% | 62.4% | 34.5% | — | —/— | — | — | — | — | — | — | — | — | — |
| 31 | 1996 | 3/4 | 4.7 | 2.3 | 59.4% | 74.5% | 42.8% | 68.1% | 31.3% | 62.7% | 37.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 286/518 | 6.3 | 2.3 | 56.4% | 73.5% | 50.5% | 60.9% | 41.0% | 63.6% | 38.8% | — | 34/122 | 3.5 | 2.4 | 59.8% | 67.1% | 44.9% | 55.1% | 41.2% | 57.8% | 36.2% |
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. 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 | Karel Novacek | Udo Riglewski | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1985 | 1537 | 116.0 | — | — | — | — | — | +28 | — | 50.0% | +0.50 | — | 0–1 | — | -0.32 |
| 19 | 1984 | 1554 | 120.6 | — | — | — | — | — | +73 | — | 47.1% | +0.03 | 3–2 (60%) | 2–3 (40%) | 101.9 | +1.14 | 1986 | 1532 | 106.1 | — | — | — | — | — | — | — | 50.0% | -0.12 | 0–2 | 1–2 (33%) | — | +0.19 |
| 20 | 1985 | 1559 | 111.3 | — | — | — | — | — | +51 | — | 45.5% | -0.14 | 3–1 (75%) | 1–0 | — | +0.91 | 1987 | 1534 | 108.4 | — | — | — | — | — | +28 | — | 42.9% | -0.57 | 0–1 | 1–1 | — | -0.15 |
| 21 | 1986 | 1693 | 138.0 | — | — | — | — | -50 | -14 | — | 50.6% | -0.09 | 7–4 (64%) | 8–6 (57%) | 108.6 | -0.16 | 1988 | 1502 | 110.6 | — | — | — | — | +1 | +31 | — | 40.0% | -0.92 | 2–5 (29%) | 3–2 (60%) | 97.7 | +0.39 |
| 22 | 1987 | 1644 | 137.9 | — | — | — | — | -102 | +98 | — | 46.7% | +0.06 | 6–10 (38%) | 6–7 (46%) | 95.7 | +1.36 | 1989 | 1533 | 131.1 | — | — | — | — | +10 | -9 | — | 39.7% | -0.53 | 6–7 (46%) | 3–3 (50%) | 103.9 | +0.10 |
| 23 | 1988 | 1638 | 121.5 | — | — | — | — | -155 | +57 | — | 51.6% | +0.30 | 2–4 (33%) | 4–7 (36%) | 94.5 | +1.33 | 1990 | 1612 | 128.6 | — | — | — | — | +22 | -69 | — | 43.6% | -0.65 | 7–7 (50%) | 10–7 (59%) | 105.4 | +0.06 |
| 24 | 1989 | 1686 | 137.1 | — | — | — | — | — | +65 | — | 56.0% | +0.36 | 4–6 (40%) | 5–4 (56%) | 99.7 | +0.04 | 1991 | 1586 | 127.0 | -1.02 | -2.59 | 0.872 | 47.3% | +35 | -53 | — | 35.2% | -1.06 | 3–4 (43%) | 5–10 (33%) | 96.7 | -2.04 |
| 25 | 1990 | 1706 | 145.2 | — | — | — | — | -134 | +115 | -67 | 52.5% | +0.39 | 10–11 (48%) | 9–16 (36%) | 97.5 | -1.44 | 1992 | 1589 | 110.7 | -1.97 | -1.31 | 0.813 | 45.5% | — | — | — | 33.3% | -1.67 | — | 1–0 | — | -0.28 |
| 26 | 1991 | 1844 | 151.2 | +3.93 | +0.54 | 1.121 | 52.1% | -150 | +204 | -155 | 60.5% | +0.61 | 20–10 (67%) | 20–15 (57%) | 109.9 | -0.67 | 1993 | 1579 | 104.4 | +1.76 | +0.80 | 0.847 | 45.4% | — | — | — | 33.3% | -2.00 | 0–1 | 1–0 | — | -0.07 |
| 27 | 1992 | 1823 | 144.1 | +1.07 | +1.67 | 1.099 | 51.8% | -121 | +168 | — | 59.7% | +0.68 | 10–8 (56%) | 9–10 (47%) | 96.2 | +2.36 | 1994 | 1562 | 99.1 | +1.49 | -2.59 | 0.716 | 42.5% | — | — | — | 0.0% | -2.00 | — | 0–1 | — | +0.09 |
| 28 | 1993 | 1761 | 150.9 | +3.30 | +0.41 | 1.101 | 51.5% | +58 | +119 | — | 61.3% | +0.58 | 13–9 (59%) | 15–7 (68%) | 104.9 | +0.47 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 1994 | 1790 | 137.5 | +2.00 | -1.28 | 1.013 | 50.0% | -3 | +61 | -147 | 51.2% | +0.10 | 17–8 (68%) | 17–13 (57%) | 103.5 | -0.07 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 1995 | 1597 | 135.5 | +0.95 | -2.95 | 0.917 | 48.7% | +86 | +123 | — | 41.8% | -0.54 | 5–10 (33%) | 7–6 (54%) | 91.9 | -0.66 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 1996 | 1582 | 114.3 | -0.91 | +0.70 | 1.012 | 49.9% | +98 | — | — | 33.3% | -0.67 | 0–1 | 0–1 | — | -0.27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1997 | 147.3 | +2.43 | -0.06 | 1.064 | 51.1% | -57 | +111 | -125 | 53.9% | +0.29 | 100–84 (54%) | 103–95 (52%) | 101.9 | +0.84 | — | 1657 | 130.6 | -0.95 | -2.38 | 0.859 | 47.0% | +22 | -27 | — | 40.1% | -0.75 | 18–27 (40%) | 25–27 (48%) | 100.0 | -1.66 |
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 |
|---|---|---|---|---|---|
| Francisco Clavet | 5 | 4 | 9 | Nov 11, 1993 | H2H |
| Jonas Svensson | 4 | 5 | 9 | Apr 8, 1993 | H2H |
| Alexander Volkov | 3 | 5 | 8 | Feb 15, 1996 | H2H |
| Boris Becker | 1 | 7 | 8 | May 11, 1994 | H2H |
| Andrei Chesnokov | 3 | 4 | 7 | Apr 13, 1995 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Anders Jarryd | 1 | 3 | 4 | Mar 11, 1993 | H2H |
| Omar Camporese | 0 | 4 | 4 | May 29, 1991 | H2H |
| Karel Novacek | 0 | 3 | 3 | Nov 7, 1991 | H2H |
| Sergi Bruguera | 1 | 2 | 3 | Jan 3, 1991 | H2H |
| Fabrice Santoro | 0 | 2 | 2 | Jul 17, 1991 | H2H |