H2H data updated: 2026-10-08 00:00 UTC

Roy Barth vs Robert Kreiss H2H: 0-1

Robert Kreiss holds a 1–0 lead over Roy Barth in their ATP head-to-head. Across 1 main-draw meeting, Robert Kreiss leads 1–0 on hard courts. Most recently, Robert Kreiss won the 1971 Sacramento round of 32 6-4 7-6.

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Roy Barth
USA Age 79 Right-Handed 175 cm / 5'9"
H2H
0 – 1
1 main-draw meetings
Robert Kreiss
USA Age 73

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Robert Kreiss 6-4 7-6 Roy Barth Match data Sep 20, 1971 R32 Sacramento ATP 250 Hard

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
Roy Barth #373 #107 0 1,732 61 135 31.1% 0 0 0 0 0 0
Robert Kreiss — — — 1,559 — — — 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 Roy Barth Robert Kreiss
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 1968 17–12 58.6% — 1,611 0 0 — — — — — — —
22 1969 16–11 59.3% — 1,689 0 0 — — — — — — —
23 1970 13–24 35.1% — 1,576 0 0 — — — — — — —
24 1971 6–29 17.1% — 1,463 0 0 — — — — — — —
25 1972 1–26 3.7% — 1,402 0 0 — — — — — — —
26 1973 4–21 16.0% #126 1,356 0 0 — — — — — — —
27 1974 4–12 25.0% #136 1,398 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 Roy Barth Robert Kreiss
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 %
15 — — — — — — — — — — — — — — — — — 1968 0 1 1 0.0% — — — — — — — — — — — —
16 — — — — — — — — — — — — — — — — — 1969 — — — — — — — — 0 1 1 0.0% — — — —
17 — — — — — — — — — — — — — — — — — 1970 — — — — — — — — 0 1 1 0.0% — — — —
18 — — — — — — — — — — — — — — — — — 1971 1 4 5 20.0% — — — — 0 1 1 0.0% — — — —
19 — — — — — — — — — — — — — — — — — 1972 1 0 1 100.0% 0 1 1 0.0% — — — — 0 3 3 0.0%
20 — — — — — — — — — — — — — — — — — 1973 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0% 2 3 5 40.0%
21 1968 13 6 19 68.4% 2 3 5 40.0% 2 3 5 40.0% — — — — 1974 2 5 7 28.6% 0 5 5 0.0% 1 2 3 33.3% 3 4 7 42.9%
22 1969 5 4 9 55.6% 0 1 1 0.0% 11 5 16 68.8% 0 1 1 0.0% 1975 0 2 2 0.0% 2 6 8 25.0% 0 2 2 0.0% 5 7 12 41.7%
23 1970 6 9 15 40.0% 3 7 10 30.0% 4 6 10 40.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
24 1971 5 10 15 33.3% 1 7 8 12.5% 0 5 5 0.0% 0 7 7 0.0% — — — — — — — — — — — — — — — — —
25 1972 0 7 7 0.0% 1 4 5 20.0% 0 1 1 0.0% 0 14 14 0.0% — — — — — — — — — — — — — — — — —
26 1973 1 8 9 11.1% 0 3 3 0.0% 2 3 5 40.0% 1 7 8 12.5% — — — — — — — — — — — — — — — — —
27 1974 1 5 6 16.7% 1 3 4 25.0% 2 2 4 50.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — —
Career — 31 49 80 38.8% 8 28 36 22.2% 21 25 46 45.7% 1 33 34 2.9% — 4 13 17 23.5% 2 13 15 13.3% 1 8 9 11.1% 10 17 27 37.0%

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 Roy Barth Robert Kreiss
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
15 — — — — — — — — — — — — — — — — 1968 1488 101.1 — — — — — — — 33.3% -0.67 0–1 — — -0.09
16 — — — — — — — — — — — — — — — — 1969 1474 99.6 — — — — — — — 33.3% -1.33 0–1 — — +0.08
17 — — — — — — — — — — — — — — — — 1970 1470 97.8 — — — — — — — 0.0% -3.50 — — — -0.26
18 — — — — — — — — — — — — — — — — 1971 1451 99.3 — — — — +54 — — 23.1% -2.00 0–1 1–1 — +0.25
19 — — — — — — — — — — — — — — — — 1972 1440 107.0 — — — — +72 — — 33.3% -1.67 0–2 2–0 — +0.43
20 — — — — — — — — — — — — — — — — 1973 1458 113.4 — — — — +83 — — 35.0% -0.90 1–3 (25%) 1–4 (20%) 96.0 -0.11
21 1968 1611 115.9 — — — — +99 -107 -74 60.3% +0.63 1–5 (17%) — — +0.74 1974 1490 120.6 — — — — +66 -36 -23 34.5% -0.88 3–5 (38%) 1–4 (20%) 97.4 +0.26
22 1969 1689 117.3 — — — — +43 — +25 54.8% +0.16 7–3 (70%) — — +0.19 1975 1490 125.4 — — — — +67 -44 — 37.3% -1.05 2–6 (25%) 3–2 (60%) 99.1 +0.55
23 1970 1576 114.6 — — — — +65 -124 +94 38.6% -0.61 1–6 (14%) 3–1 (75%) 94.3 +2.01 — — — — — — — — — — — — — — — —
24 1971 1463 110.9 — — — — +6 -37 +100 22.5% -1.90 1–8 (11%) 1–1 — -0.61 — — — — — — — — — — — — — — — —
25 1972 1403 128.5 — — — — -39 +42 — 12.9% -2.60 1–6 (14%) 2–2 (50%) 97.6 -1.75 — — — — — — — — — — — — — — — —
26 1973 1356 109.0 — — — — -13 +58 +136 24.5% -1.76 1–6 (14%) 4–5 (44%) 97.0 +0.33 — — — — — — — — — — — — — — — —
27 1974 1399 108.9 — — — — -82 -14 +119 35.9% -1.21 0–4 (0%) 2–2 (50%) 97.2 +0.75 — — — — — — — — — — — — — — — —
Career — 1733 119.0 — — — — +16 -50 +58 36.3% -0.98 12–38 (24%) 12–11 (52%) 92.2 +0.86 — 1560 121.0 — — — — +68 -41 -23 34.1% -1.12 6–19 (24%) 8–11 (42%) 92.7 +1.63

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.