H2H data updated: 2026-09-02 00:00 UTC

Glenn Petrovic vs John Whitlinger H2H: 1-0

Glenn Petrovic holds a 1–0 lead over John Whitlinger in their ATP head-to-head. Across 1 main-draw meeting, Glenn Petrovic leads 1–0 on hard courts. Most recently, Glenn Petrovic won the 1977 Los Angeles round of 64 6-2 4-6 7-5.

USA Age 69 Right-Handed
H2H
1 0
1 main draw meetings
USA Age 72 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Glenn Petrovic 6-2 4-6 7-5 John Whitlinger Match data Sep 21, 1977* R64 Los Angeles ATP 250 Hard

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
Glenn Petrovic #415 #199 0 1,517 2 10 16.7% 0 0 0 0 0 0
John Whitlinger #264 #75 0 1,630 45 77 36.9% 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 Glenn Petrovic John Whitlinger
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 1973 1–1 50.0% #143 1,506 0 0
20 1977 1–1 50.0% 1,498 0 0 1974 11–9 55.0% #85 1,579 0 0
21 1975 6–15 28.6% #98 1,567 0 0
22 1979 1–1 50.0% #199 1,513 0 0 1976 17–29 37.0% #130 1,541 0 0
23 1980 0–7 0.0% #383 1,463 0 0 1977 7–17 29.2% #127 1,512 0 0
24 1981 0–1 0.0% 1,455 0 0 1978 0–1 0.0% #374 1,497 0 0
26 1980 3–5 37.5% #264 1,495 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 Glenn Petrovic John Whitlinger
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 1973 1 1 2 50.0%
20 1977 1 1 2 50.0% 1974 2 2 4 50.0% 2 3 5 40.0% 5 2 7 71.4% 2 2 4 50.0%
21 1975 2 3 5 40.0% 4 9 13 30.8% 0 3 3 0.0%
22 1979 1 1 2 50.0% 1976 8 8 16 50.0% 4 11 15 26.7% 0 2 2 0.0% 5 8 13 38.5%
23 1980 0 5 5 0.0% 0 1 1 0.0% 0 1 1 0.0% 1977 2 7 9 22.2% 3 6 9 33.3% 0 1 1 0.0% 2 3 5 40.0%
24 1981 0 1 1 0.0% 1978 0 1 1 0.0%
26 1980 1 3 4 25.0% 0 1 1 0.0% 2 1 3 66.7%
Career 1 7 8 12.5% 0 1 1 0.0% 1 1 2 50.0% 0 1 1 0.0% 15 24 39 38.5% 14 31 45 31.1% 5 5 10 50.0% 11 17 28 39.3%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. 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.

Age Glenn Petrovic John Whitlinger
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 1973 1506 97.9 50.0% -1.00 +0.16
20 1977 1498 99.8 50.0% -0.67 1–1 +0.54 1974 1580 113.1 +13 -57 +11 52.9% +0.08 4–3 (57%) 4–3 (57%) +2.32
21 1975 1568 124.8 -12 -22 30.4% -1.39 2–2 (50%) 1–6 (14%) 0.00
22 1979 1513 107.5 40.0% -1.40 1–0 -0.06 1976 1541 118.0 +58 -38 38.0% -0.94 8–8 (50%) 8–5 (62%) +5.18
23 1980 1464 111.0 +21 17.6% -2.23 0–3 (0%) 2–1 (67%) -0.21 1977 1513 107.6 +38 -25 34.5% -1.43 3–6 (33%) 4–2 (67%) +1.62
24 1981 1455 98.0 0.0% -3.50 +0.02 1978 1498 92.7 0.0% -5.00 +0.19
26 1980 1495 101.6 +31 38.9% -0.95 1–1 1–0 +1.16
Career 1517 107.9 +21 26.7% -1.86 2–4 (33%) 2–1 (67%) 99.3 +2.42 1630 116.6 +37 -33 +11 38.7% -0.96 18–20 (47%) 18–16 (53%) 104.2 +8.71

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.