H2H data updated: 2026-09-03 00:00 UTC

Horacio de la Pena vs Ken Flach H2H: 0-1

Ken Flach holds a 1–0 lead over Horacio de la Pena in their ATP head-to-head. Across 1 main-draw meeting, Ken Flach leads 1–0 on hard courts. Most recently, Ken Flach won the 1990 Memphis round of 64 6-4 4-6 7-6.

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

Horacio de la Pena
ARG Age 60 Left-Handed 180 cm / 5'11"
H2H
0 – 1
1 main draw meetings
Ken Flach
USA Right-Handed 185 cm / 6'1"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ken Flach #254 6-4 4-6 7-6 Horacio de la Pena #128 Match data Feb 28, 1990* R64 Memphis ATP World Series → modern equivalent 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
Horacio de la Pena #846 #31 679 1,833 185 173 51.7% 0 0 0 0 4 4
Ken Flach #815 #56 130 1,715 52 80 39.4% 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 Horacio de la Pena Ken Flach
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1984 4–4 50.0% #89 1,548 0 0 — — — — — — —
18 1985 23–17 57.5% #70 1,689 0 1 — — — — — — —
19 1986 33–21 61.1% #38 1,734 0 1 1982 0–1 0.0% — 1,498 0 0
20 1987 17–19 47.2% #88 1,643 0 1 1983 2–3 40.0% #314 1,521 0 0
21 1988 27–17 61.4% #52 1,737 0 1 1984 7–6 53.8% #155 1,599 0 0
22 1989 15–17 46.9% #128 1,651 0 2 1985 12–12 50.0% #60 1,676 0 0
23 1990 20–14 58.8% #63 1,724 0 3 1986 4–15 21.1% #223 1,557 0 0
24 1991 16–18 47.1% #101 1,721 0 3 1987 10–13 43.5% #100 1,621 0 0
25 1992 7–18 28.0% #114 1,551 0 3 1988 7–12 36.8% #203 1,618 0 0
26 1993 17–16 51.5% #79 1,594 0 4 1989 6–7 46.2% #194 1,651 0 0
27 1994 6–12 33.3% #265 1,555 0 4 1990 3–6 33.3% #222 1,611 0 0
28 — — — — — — — 1991 0–2 0.0% #572 1,575 0 0
29 — — — — — — — 1992 0–1 0.0% #742 1,559 0 0
31 — — — — — — — 1994 1–1 50.0% #514 1,575 0 0
32 — — — — — — — 1995 0–1 0.0% #835 1,570 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 Horacio de la Pena Ken Flach
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 %
17 1984 — — — — 4 4 8 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
18 1985 5 3 8 62.5% 18 14 32 56.3% — — — — — — — — — — — — — — — — — — — — — — — — —
19 1986 4 4 8 50.0% 29 16 45 64.4% — — — — 0 1 1 0.0% 1982 — — — — 0 1 1 0.0% — — — — — — — —
20 1987 0 5 5 0.0% 17 14 31 54.8% — — — — — — — — 1983 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% — — — —
21 1988 10 7 17 58.8% 17 8 25 68.0% 0 1 1 0.0% 0 1 1 0.0% 1984 3 2 5 60.0% — — — — 3 3 6 50.0% 1 1 2 50.0%
22 1989 4 7 11 36.4% 9 7 16 56.3% 0 1 1 0.0% 2 2 4 50.0% 1985 10 8 18 55.6% — — — — 1 2 3 33.3% 1 2 3 33.3%
23 1990 1 4 5 20.0% 19 9 28 67.9% — — — — 0 1 1 0.0% 1986 2 6 8 25.0% 0 3 3 0.0% 2 2 4 50.0% 0 4 4 0.0%
24 1991 0 3 3 0.0% 16 14 30 53.3% — — — — 0 1 1 0.0% 1987 6 8 14 42.9% — — — — 4 4 8 50.0% 0 1 1 0.0%
25 1992 0 1 1 0.0% 7 16 23 30.4% 0 1 1 0.0% — — — — 1988 2 6 8 25.0% 0 1 1 0.0% 3 2 5 60.0% 2 3 5 40.0%
26 1993 — — — — 17 15 32 53.1% 0 1 1 0.0% — — — — 1989 3 4 7 42.9% — — — — 2 1 3 66.7% 1 2 3 33.3%
27 1994 — — — — 6 12 18 33.3% — — — — — — — — 1990 2 4 6 33.3% — — — — 1 1 2 50.0% 0 1 1 0.0%
28 — — — — — — — — — — — — — — — — — 1991 0 1 1 0.0% — — — — — — — — 0 1 1 0.0%
29 — — — — — — — — — — — — — — — — — 1992 0 1 1 0.0% — — — — — — — — — — — —
31 — — — — — — — — — — — — — — — — — 1994 1 1 2 50.0% — — — — — — — — — — — —
32 — — — — — — — — — — — — — — — — — 1995 — — — — — — — — 0 1 1 0.0% — — — —
Career — 24 34 58 41.4% 159 129 288 55.2% 0 4 4 0.0% 2 6 8 25.0% — 30 42 72 41.7% 0 6 6 0.0% 17 17 34 50.0% 5 15 20 25.0%

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 Horacio de la Pena Ken Flach
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
17 1984 1548 126.7 — — — — — +36 — 47.6% +0.19 2–2 (50%) 1–2 (33%) — +0.10 — — — — — — — — — — — — — — — —
18 1985 1690 129.7 — — — — -65 -50 — 53.6% -0.07 6–5 (55%) 8–3 (73%) — +1.63 — — — — — — — — — — — — — — — —
19 1986 1734 143.7 — — — — -95 +41 — 58.3% +0.71 9–7 (56%) 7–6 (54%) — -0.16 1982 1499 112.4 — — — — — — — 0.0% -4.00 — — — -0.28
20 1987 1643 127.6 — — — — -87 +98 — 47.2% -0.36 7–5 (58%) 5–4 (56%) — -0.41 1983 1522 107.7 — — — — — — — 41.7% -0.75 — 0–2 — +0.25
21 1988 1737 136.6 — — — — -122 +90 — 56.6% +0.42 10–5 (67%) 11–6 (65%) — +1.19 1984 1599 117.5 — — — — +21 — -14 51.2% -0.05 4–3 (57%) 2–4 (33%) — +0.63
22 1989 1651 127.5 — — — — -43 +105 — 48.2% +0.13 3–4 (43%) 3–7 (30%) — +0.13 1985 1676 134.2 — — — — +19 — -94 44.8% -0.26 4–0 (100%) 4–2 (67%) — -0.49
23 1990 1725 133.8 — — — — -197 +118 — 59.5% +0.73 4–5 (44%) 7–6 (54%) — +0.57 1986 1557 111.4 — — — — +7 -76 +56 29.4% -1.16 2–4 (33%) 2–4 (33%) — -0.12
24 1991 1722 138.0 — — — — -245 +79 — 50.7% +0.16 5–6 (45%) 3–4 (43%) — -0.62 1987 1622 115.8 — — — — -40 — +10 48.6% -0.39 2–5 (29%) 9–4 (69%) — +1.50
25 1992 1552 118.2 — — — — — +61 — 36.5% -1.29 1–8 (11%) 3–1 (75%) — -0.09 1988 1618 116.8 — — — — -94 — +56 42.1% -0.67 4–5 (44%) 4–5 (44%) — -1.49
26 1993 1595 127.5 — — — — — +37 — 52.7% +0.27 4–5 (44%) 4–5 (44%) — +1.20 1989 1652 118.7 — — — — -87 — +41 48.9% -0.31 3–4 (43%) 7–5 (58%) — -0.04
27 1994 1556 113.8 — — — — — +6 — 41.0% -0.49 2–4 (33%) 0–3 (0%) — +0.33 1990 1612 118.0 — — — — -53 — — 44.0% -0.40 1–4 (20%) 2–1 (67%) — -0.05
28 — — — — — — — — — — — — — — — — 1991 1576 100.1 -1.14 -2.20 0.974 48.8% — — — 20.0% -1.20 0–1 1–1 — +0.27
29 — — — — — — — — — — — — — — — — 1992 1559 98.8 -2.84 -0.85 0.759 44.2% — — — 0.0% -3.00 — — — +0.08
31 — — — — — — — — — — — — — — — — 1994 1576 112.6 -0.30 +1.03 0.724 46.6% — — — 40.0% -1.00 1–0 1–0 — -0.06
32 — — — — — — — — — — — — — — — — 1995 1571 105.1 +1.22 +5.29 0.983 49.9% — — — 40.0% 0.00 0–1 0–1 — -0.28
Career — 1833 138.3 — — — — -105 +55 — 51.7% +0.12 53–56 (49%) 52–47 (53%) 98.5 +1.08 — 1715 126.9 -0.75 +0.35 0.851 47.5% -29 -76 +12 43.2% -0.53 21–27 (44%) 32–29 (52%) 100.9 -0.06

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.