H2H data updated: 2026-09-06 00:00 UTC

Karel Novacek vs Eduardo Masso H2H: 2-0

Karel Novacek holds a 2–0 lead over Eduardo Masso in their ATP head-to-head. Across 2 main-draw meetings, Karel Novacek leads 1–0 on carpet and 1–0 on clay. Most recently, Karel Novacek won the 1992 Dutch Open round of 32 6-4 6-4.

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Karel Novacek
CZE Age 61 Right-Handed 190 cm / 6'3"
H2H
2 – 0
2 main-draw meetings
Eduardo Masso
BEL Age 62 Left-Handed 177 cm / 5'10"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karel Novacek #23 6-4 6-4 Eduardo Masso #179 Match data Jul 23, 1992* R32 Dutch Open ATP World Series → modern equivalent ATP 250 Clay
Karel Novacek #11 6-4 6-2 Eduardo Masso #94 Match data Feb 14, 1992* R16 Brussels ATP Championship Series → modern equivalent ATP 500 Carpet

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
Eduardo Masso #1,177 #56 568 1,685 41 69 37.3% 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 Eduardo Masso
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 1984 6–6 50.0% #138 1,553 0 0 — — — — — — —
20 1985 4–4 50.0% #159 1,558 0 0 — — — — — — —
21 1986 16–14 53.3% #33 1,693 0 1 — — — — — — —
22 1987 17–22 43.6% #76 1,643 0 1 1986 0–4 0.0% #208 1,457 0 0
23 1988 13–13 50.0% #127 1,637 0 1 1987 1–2 33.3% #185 1,472 0 0
24 1989 16–13 55.2% #74 1,685 0 2 1988 13–14 48.1% #87 1,602 0 0
25 1990 31–29 51.7% #34 1,706 0 3 1989 4–10 28.6% #305 1,566 0 0
26 1991 56–29 65.9% #8 1,844 0 7 1990 5–6 45.5% #125 1,593 0 0
27 1992 37–23 61.7% #23 1,822 0 10 1991 15–19 44.1% #99 1,619 0 0
28 1993 41–22 65.1% #17 1,761 0 12 1992 3–14 17.6% #219 1,519 0 0
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 — — — — — — —

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 Eduardo Masso
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 %
19 1984 0 2 2 0.0% 6 4 10 60.0% — — — — — — — — — — — — — — — — — — — — — — — — —
20 1985 0 1 1 0.0% 4 3 7 57.1% — — — — — — — — — — — — — — — — — — — — — — — — —
21 1986 8 5 13 61.5% 7 7 14 50.0% 0 1 1 0.0% 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% 1986 — — — — 0 3 3 0.0% — — — — 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% 1987 1 1 2 50.0% — — — — — — — — 0 1 1 0.0%
24 1989 — — — — 15 11 26 57.7% 1 1 2 50.0% 0 1 1 0.0% 1988 3 5 8 37.5% 4 4 8 50.0% 2 2 4 50.0% 4 3 7 57.1%
25 1990 8 10 18 44.4% 18 11 29 62.1% 2 2 4 50.0% 3 6 9 33.3% 1989 3 3 6 50.0% 0 3 3 0.0% — — — — 1 4 5 20.0%
26 1991 9 5 14 64.3% 33 10 43 76.7% 3 1 4 75.0% 11 13 24 45.8% 1990 — — — — 4 4 8 50.0% — — — — 1 2 3 33.3%
27 1992 2 5 7 28.6% 27 10 37 73.0% 0 1 1 0.0% 8 7 15 53.3% 1991 4 8 12 33.3% 10 8 18 55.6% 0 1 1 0.0% 1 2 3 33.3%
28 1993 10 2 12 83.3% 21 13 34 61.8% 0 1 1 0.0% 10 6 16 62.5% 1992 — — — — 0 10 10 0.0% 1 1 2 50.0% 2 3 5 40.0%
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% — — — — — — — — — — — — — — — — —
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% — 11 17 28 39.3% 18 32 50 36.0% 3 4 7 42.9% 9 16 25 36.0%

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 44/51 of Eduardo Masso'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 Eduardo Masso
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% 1991 28/34 0.6 2.6 67.3% 58.1% 47.4% 48.3% 47.5% 54.2% 40.4%
28 1993 54/63 6.6 2.2 55.4% 75.3% 51.7% 58.5% 37.1% 64.6% 38.9% 1992 16/17 1.1 1.5 76.6% 56.9% 44.8% 47.8% 41.6% 54.1% 39.4%
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% — 44/110 0.8 2.2 70.7% 57.7% 46.5% 48.1% 45.4% 54.1% 40.0%

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 Eduardo Masso
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
19 1984 1554 120.6 — — — — — +73 — 47.1% +0.03 3–2 (60%) 2–3 (40%) 101.9 +1.14 — — — — — — — — — — — — — — — —
20 1985 1559 111.3 — — — — — +51 — 45.5% -0.14 3–1 (75%) 1–0 — +0.91 — — — — — — — — — — — — — — — —
21 1986 1693 138.0 — — — — -50 -14 — 50.6% -0.09 7–4 (64%) 8–6 (57%) 108.6 -0.16 — — — — — — — — — — — — — — — —
22 1987 1644 137.9 — — — — -102 +98 — 46.7% +0.06 6–10 (38%) 6–7 (46%) 95.7 +1.36 1986 1458 101.2 — — — — — +37 — 11.1% -2.67 0–1 0–1 — +0.24
23 1988 1638 121.5 — — — — -155 +57 — 51.6% +0.30 2–4 (33%) 4–7 (36%) 94.5 +1.33 1987 1472 114.7 — — — — +65 — — 28.6% -1.29 1–0 0–1 — -0.13
24 1989 1686 137.1 — — — — — +65 — 56.0% +0.36 4–6 (40%) 5–4 (56%) 99.7 +0.04 1988 1603 127.2 — — — — -10 -71 -28 44.1% -0.81 7–5 (58%) 6–4 (60%) 105.0 -0.57
25 1990 1706 145.2 — — — — -134 +115 -67 52.5% +0.39 10–11 (48%) 9–16 (36%) 97.5 -1.44 1989 1567 106.0 — — — — -3 -69 — 31.4% -1.89 2–2 (50%) 4–1 (80%) 103.3 +0.01
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 1990 1594 127.8 — — — — -26 -11 — 48.0% -0.32 2–1 (67%) 2–1 (67%) 104.6 -0.54
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 1991 1619 127.8 -3.84 +1.27 0.882 47.4% -71 +55 — 41.3% -0.61 5–5 (50%) 3–7 (30%) 98.1 -0.97
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 1992 1519 114.2 -3.66 -0.40 0.858 46.8% +31 +9 — 27.3% -1.34 1–3 (25%) 1–8 (11%) 93.9 +0.07
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 — 1685 127.2 -3.77 +0.66 0.873 47.2% -19 +7 -28 37.7% -1.01 18–17 (51%) 16–23 (41%) 101.4 -1.73

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.