H2H data updated: 2026-09-08 00:00 UTC

Blaine Willenborg vs Alvaro Betancur H2H: 0-1

Alvaro Betancur holds a 1–0 lead over Blaine Willenborg in their ATP head-to-head. Across 1 main-draw meeting, Alvaro Betancur leads 1–0 on clay. Most recently, Alvaro Betancur won the 1980 South Orange quarterfinal 6-4 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Blaine Willenborg
USA Age 66 Right-Handed 170 cm / 5'7"
H2H
0 – 1
1 main-draw meetings
Alvaro Betancur
COL Age 76 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Alvaro Betancur 6-4 6-4 Blaine Willenborg Match data Aug 2, 1980* QF South Orange 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
Blaine Willenborg #1,067 #50 0 1,624 33 54 37.9% 0 0 0 0 0 0
Alvaro Betancur #509 #89 0 1,600 34 78 30.4% 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 Blaine Willenborg Alvaro Betancur
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 — — — — — — — 1968 0–1 0.0% — 1,488 0 0
19 1979 0–1 0.0% #579 1,488 0 0 — — — — — — —
20 1980 3–5 37.5% #283 1,514 0 0 1970 0–1 0.0% — 1,473 0 0
22 — — — — — — — 1972 0–1 0.0% — 1,469 0 0
23 1983 1–3 25.0% — 1,524 0 0 — — — — — — —
24 1984 6–10 37.5% #79 1,533 0 0 1974 0–1 0.0% #274 1,466 0 0
25 1985 8–12 40.0% #188 1,578 0 0 1975 3–5 37.5% #145 1,525 0 0
26 1986 5–9 35.7% #160 1,535 0 0 1976 9–19 32.1% #98 1,535 0 0
27 1987 10–11 47.6% #145 1,588 0 0 1977 9–19 32.1% #125 1,517 0 0
28 1988 0–3 0.0% #731 1,547 0 0 1978 5–15 25.0% #184 1,508 0 0
29 — — — — — — — 1979 1–1 50.0% #131 1,518 0 0
30 — — — — — — — 1980 6–14 30.0% #164 1,475 0 0
31 — — — — — — — 1981 1–1 50.0% — 1,486 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 Blaine Willenborg Alvaro Betancur
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 — — — — — — — — — — — — — — — — — 1968 — — — — 0 1 1 0.0% — — — — — — — —
19 1979 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
20 1980 1 2 3 33.3% 2 3 5 40.0% — — — — — — — — 1970 — — — — 0 1 1 0.0% — — — — — — — —
22 — — — — — — — — — — — — — — — — — 1972 — — — — 0 1 1 0.0% — — — — — — — —
23 1983 1 2 3 33.3% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
24 1984 0 2 2 0.0% 6 7 13 46.2% 0 1 1 0.0% — — — — 1974 — — — — 0 1 1 0.0% — — — — — — — —
25 1985 1 2 3 33.3% 7 10 17 41.2% — — — — — — — — 1975 0 1 1 0.0% 3 3 6 50.0% — — — — 0 1 1 0.0%
26 1986 1 1 2 50.0% 4 7 11 36.4% — — — — 0 1 1 0.0% 1976 0 1 1 0.0% 9 16 25 36.0% — — — — 0 2 2 0.0%
27 1987 4 5 9 44.4% 4 5 9 44.4% — — — — 2 1 3 66.7% 1977 — — — — 9 18 27 33.3% 0 1 1 0.0% — — — —
28 1988 0 1 1 0.0% 0 1 1 0.0% — — — — 0 1 1 0.0% 1978 1 2 3 33.3% 4 13 17 23.5% — — — — — — — —
29 — — — — — — — — — — — — — — — — — 1979 — — — — 1 1 2 50.0% — — — — — — — —
30 — — — — — — — — — — — — — — — — — 1980 0 1 1 0.0% 6 13 19 31.6% — — — — — — — —
31 — — — — — — — — — — — — — — — — — 1981 — — — — 1 1 2 50.0% — — — — — — — —
Career — 8 15 23 34.8% 23 35 58 39.7% 0 1 1 0.0% 2 3 5 40.0% — 1 5 6 16.7% 33 69 102 32.4% 0 1 1 0.0% 0 3 3 0.0%

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 Blaine Willenborg Alvaro Betancur
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 — — — — — — — — — — — — — — — — 1968 1488 95.7 — — — — — — — 0.0% -4.00 — — — -0.07
19 1979 1488 100.7 — — — — — — — 33.3% -1.00 0–1 — — +0.07 — — — — — — — — — — — — — — — —
20 1980 1514 103.6 — — — — +42 +1 — 33.3% -0.95 2–0 0–1 — +0.52 1970 1473 97.5 — — — — — — — 0.0% -3.00 — — — +0.16
22 — — — — — — — — — — — — — — — — 1972 1470 104.3 — — — — — — — 0.0% -2.00 — — — -0.21
23 1983 1524 117.1 — — — — +36 — — 25.0% -0.75 — 1–3 (25%) — -0.68 — — — — — — — — — — — — — — — —
24 1984 1533 127.2 — — — — — +52 — 39.0% -0.66 3–4 (43%) 3–1 (75%) 102.4 -0.13 1974 1467 105.0 — — — — — — — 0.0% -2.00 — 0–1 — -0.17
25 1985 1578 123.2 — — — — -54 +29 — 43.1% -0.71 3–5 (38%) 6–4 (60%) 101.6 +0.25 1975 1525 116.4 — — — — — +39 — 38.9% -0.72 0–1 — — -0.21
26 1986 1535 110.9 — — — — -23 +43 — 41.7% -0.70 2–4 (33%) 4–3 (57%) 98.9 +1.19 1976 1536 125.3 — — — — -49 +36 — 37.7% -1.03 4–8 (33%) 3–2 (60%) — -0.86
27 1987 1588 119.3 — — — — -22 -7 — 44.0% -0.44 5–2 (71%) 3–3 (50%) 105.1 +0.52 1977 1517 114.2 — — — — — +21 — 37.7% -1.06 3–7 (30%) 0–3 (0%) 95.3 +2.00
28 1988 1548 103.4 — — — — — — — 25.0% -1.63 0–2 0–1 — +0.09 1978 1509 123.0 — — — — -20 +26 — 26.7% -1.60 3–4 (43%) 0–4 (0%) 98.4 -0.42
29 — — — — — — — — — — — — — — — — 1979 1519 113.5 — — — — — — — 50.0% +1.50 — — — +0.14
30 — — — — — — — — — — — — — — — — 1980 1476 104.7 — — — — — +21 — 27.0% -1.54 1–0 0–3 (0%) — +1.40
31 — — — — — — — — — — — — — — — — 1981 1486 103.7 — — — — — — — 60.0% -0.60 0–1 1–0 — +0.11
Career — 1624 124.4 — — — — -11 +29 — 39.9% -0.70 15–18 (45%) 17–16 (52%) 103.3 +2.10 — 1601 121.9 — — — — -35 +27 — 33.7% -1.20 11–21 (34%) 4–13 (24%) 91.2 +1.67

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.