H2H data updated: 2026-09-10 00:00 UTC

Karel Novacek vs Raul Antonio Viver H2H: 0-1

Raul Antonio Viver holds a 1–0 lead over Karel Novacek in their ATP head-to-head. Across 1 main-draw meeting, Raul Antonio Viver leads 1–0 on clay. Most recently, Raul Antonio Viver won the 1988 Palermo round of 64 6-3 7-6.

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Karel Novacek
CZE Age 61 Right-Handed 190 cm / 6'3"
H2H
0 – 1
1 main-draw meetings
Raul Antonio Viver
ECU Age 65 Left-Handed 190 cm / 6'3"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Raul Antonio Viver #103 6-3 7-6 Karel Novacek #106 Match data Sep 28, 1988* R64 Palermo 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.

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
Karel Novacek #1,345 #8 1,754 1,997 287 231 55.4% 0 1 0 0 12 13
Raul Antonio Viver #957 #94 267 1,567 20 49 29.0% 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 Karel Novacek Raul Antonio Viver
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 — — — — — — — 1979 3–1 75.0% #300 1,554 0 0
19 1984 6–6 50.0% #138 1,553 0 0 1980 0–3 0.0% #325 1,523 0 0
20 1985 4–4 50.0% #159 1,558 0 0 1981 0–2 0.0% — 1,510 0 0
21 1986 16–14 53.3% #33 1,693 0 1 1982 0–1 0.0% — 1,494 0 0
22 1987 17–22 43.6% #76 1,643 0 1 1983 0–1 0.0% #279 1,484 0 0
23 1988 13–13 50.0% #127 1,637 0 1 1984 5–5 50.0% #166 1,535 0 0
24 1989 16–13 55.2% #74 1,685 0 2 1985 7–13 35.0% #169 1,504 0 0
25 1990 31–29 51.7% #34 1,706 0 3 1986 0–3 0.0% #282 1,484 0 0
26 1991 56–29 65.9% #8 1,844 0 7 1987 0–1 0.0% #370 1,479 0 0
27 1992 37–23 61.7% #23 1,822 0 10 1988 2–5 28.6% #153 1,479 0 0
28 1993 41–22 65.1% #17 1,761 0 12 1989 3–7 30.0% #260 1,460 0 0
29 1994 36–29 55.4% #28 1,790 0 13 — — — — — — —
30 1995 13–24 35.1% #121 1,597 0 13 1991 0–1 0.0% #182 1,457 0 0
31 1996 1–3 25.0% #409 1,581 0 13 1992 0–5 0.0% #255 1,404 0 0
32 — — — — — — — 1993 0–1 0.0% #524 1,392 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 Karel Novacek Raul Antonio Viver
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
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 — — — — — — — — — — — — — — — — — 1979 — — — — 3 1 4 75.0% — — — — — — — —
19 1984 0 2 2 0.0% 6 4 10 60.0% — — — — — — — — 1980 — — — — 0 3 3 0.0% — — — — — — — —
20 1985 0 1 1 0.0% 4 3 7 57.1% — — — — — — — — 1981 — — — — 0 2 2 0.0% — — — — — — — —
21 1986 8 5 13 61.5% 7 7 14 50.0% 0 1 1 0.0% 1 1 2 50.0% 1982 — — — — 0 1 1 0.0% — — — — — — — —
22 1987 1 6 7 14.3% 14 11 25 56.0% 0 1 1 0.0% 2 4 6 33.3% 1983 — — — — 0 1 1 0.0% — — — — — — — —
23 1988 0 1 1 0.0% 12 8 20 60.0% 1 1 2 50.0% 0 3 3 0.0% 1984 — — — — 5 5 10 50.0% — — — — — — — —
24 1989 — — — — 15 11 26 57.7% 1 1 2 50.0% 0 1 1 0.0% 1985 0 1 1 0.0% 7 11 18 38.9% 0 1 1 0.0% — — — —
25 1990 8 10 18 44.4% 18 11 29 62.1% 2 2 4 50.0% 3 6 9 33.3% 1986 0 1 1 0.0% 0 2 2 0.0% — — — — — — — —
26 1991 9 5 14 64.3% 33 10 43 76.7% 3 1 4 75.0% 11 13 24 45.8% 1987 — — — — 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% 1988 0 1 1 0.0% 2 4 6 33.3% — — — — — — — —
28 1993 10 2 12 83.3% 21 13 34 61.8% 0 1 1 0.0% 10 6 16 62.5% 1989 1 1 2 50.0% 2 6 8 25.0% — — — — — — — —
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% 1991 — — — — 0 1 1 0.0% — — — — — — — —
31 1996 1 2 3 33.3% 0 1 1 0.0% — — — — — — — — 1992 0 1 1 0.0% 0 4 4 0.0% — — — — — — — —
32 — — — — — — — — — — — — — — — — — 1993 — — — — 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% — 1 5 6 16.7% 19 43 62 30.6% 0 1 1 0.0% — — — —

Performance Progression by Age

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 6/6 of Raul Antonio Viver'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 Raul Antonio Viver
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%
26 1991 78/85 5.3 2.6 56.5% 73.8% 52.0% 60.4% 45.8% 64.6% 39.7% — —/— — — — — — — — — —
27 1992 57/60 4.7 1.9 54.9% 72.2% 49.8% 62.9% 42.5% 62.1% 41.6% — —/— — — — — — — — — —
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% 1991 1/1 0.0 1.0 82.4% 62.5% 25.0% 50.0% 25.0% 55.9% 41.5%
31 1996 3/4 4.7 2.3 59.4% 74.5% 42.8% 68.1% 31.3% 62.7% 37.8% 1992 5/5 0.4 1.2 71.3% 60.3% 47.9% 42.7% 34.5% 56.5% 37.0%
Career — 286/518 6.3 2.3 56.4% 73.5% 50.5% 60.9% 41.0% 63.6% 38.8% — 6/69 0.3 1.2 73.2% 60.7% 44.1% 44.0% 33.0% 56.4% 37.8%

Advanced Statistics Comparison by Age

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 Raul Antonio Viver
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 — — — — — — — — — — — — — — — — 1979 1554 116.9 — — — — — +39 — 66.7% +0.56 1–0 1–0 — +0.48
19 1984 1554 120.6 — — — — — +73 — 47.1% +0.03 3–2 (60%) 2–3 (40%) 101.9 +1.14 1980 1524 103.6 — — — — — +29 — 0.0% -2.83 — 0–3 (0%) — -0.10
20 1985 1559 111.3 — — — — — +51 — 45.5% -0.14 3–1 (75%) 1–0 — +0.91 1981 1511 106.3 — — — — — — — 0.0% -2.75 — 0–1 — -0.22
21 1986 1693 138.0 — — — — -50 -14 — 50.6% -0.09 7–4 (64%) 8–6 (57%) 108.6 -0.16 1982 1495 100.8 — — — — — — — 33.3% -0.33 0–1 — — +0.19
22 1987 1644 137.9 — — — — -102 +98 — 46.7% +0.06 6–10 (38%) 6–7 (46%) 95.7 +1.36 1983 1484 101.2 — — — — — — — 0.0% -2.00 — 0–1 — +0.07
23 1988 1638 121.5 — — — — -155 +57 — 51.6% +0.30 2–4 (33%) 4–7 (36%) 94.5 +1.33 1984 1536 110.8 — — — — — +21 — 50.0% -0.23 1–1 4–2 (67%) — +0.71
24 1989 1686 137.1 — — — — — +65 — 56.0% +0.36 4–6 (40%) 5–4 (56%) 99.7 +0.04 1985 1505 114.3 — — — — — +27 — 39.2% -0.67 1–3 (25%) 1–3 (25%) 96.3 +1.46
25 1990 1706 145.2 — — — — -134 +115 -67 52.5% +0.39 10–11 (48%) 9–16 (36%) 97.5 -1.44 1986 1485 109.1 — — — — — — — 25.0% -1.75 0–2 0–1 — -0.24
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 1987 1479 106.6 — — — — — — — 33.3% 0.00 0–1 — — -0.15
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 1988 1479 117.0 — — — — — +50 — 41.2% -0.53 0–3 (0%) 2–2 (50%) 97.8 -0.17
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 1989 1460 105.4 — — — — — +30 — 31.8% -1.14 1–1 1–1 — +0.73
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 1991 1458 100.9 +0.37 +0.65 0.940 48.0% — — — 0.0% -2.00 — — — -0.19
31 1996 1582 114.3 -0.91 +0.70 1.012 49.9% +98 — — 33.3% -0.67 0–1 0–1 — -0.27 1992 1405 97.5 -0.09 -2.32 0.851 46.4% — +33 — 23.1% -1.62 0–3 (0%) 1–1 — +0.46
32 — — — — — — — — — — — — — — — — 1993 1393 97.1 — — — — — — — 0.0% -3.00 — — — +0.01
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 — 1567 117.4 -0.01 -1.83 0.866 46.7% — +30 — 35.4% -0.89 4–15 (21%) 10–15 (40%) 91.3 +4.41

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.