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

Ken Flach vs Paul Annacone H2H: 1-0

Ken Flach holds a 1–0 lead over Paul Annacone 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 1989 US Open round of 128 7-6 2-6 6-4 6-3.

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Ken Flach
USA Right-Handed 185 cm / 6'1"
H2H
1 – 0
1 main draw meetings
Paul Annacone
USA Age 63 Right-Handed 185 cm / 6'1"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ken Flach #269 7-6 2-6 6-4 6-3 Paul Annacone #66 Match data Aug 30, 1989* R128 US Open Grand Slam 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
Ken Flach #815 #56 130 1,715 52 80 39.4% 0 0 0 0 0 0
Paul Annacone #1,209 #12 430 1,942 160 131 55.0% 0 0 0 0 3 3

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 Ken Flach Paul Annacone
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 1982 0–1 0.0% — 1,498 0 0 1982 0–1 0.0% — 1,491 0 0
20 1983 2–3 40.0% #314 1,521 0 0 1983 5–5 50.0% #389 1,533 0 0
21 1984 7–6 53.8% #155 1,599 0 0 1984 8–9 47.1% #94 1,584 0 0
22 1985 12–12 50.0% #60 1,676 0 0 1985 45–19 70.3% #13 1,883 0 2
23 1986 4–15 21.1% #223 1,557 0 0 1986 18–16 52.9% #43 1,782 0 2
24 1987 10–13 43.5% #100 1,621 0 0 1987 29–20 59.2% #32 1,824 0 2
25 1988 7–12 36.8% #203 1,618 0 0 1988 25–18 58.1% #38 1,784 0 2
26 1989 6–7 46.2% #194 1,651 0 0 1989 17–18 48.6% #65 1,732 0 3
27 1990 3–6 33.3% #222 1,611 0 0 1990 10–17 37.0% #165 1,650 0 3
28 1991 0–2 0.0% #572 1,575 0 0 1991 2–3 40.0% #433 1,641 0 3
29 1992 0–1 0.0% #742 1,559 0 0 1992 1–4 20.0% #225 1,597 0 3
30 — — — — — — — 1993 0–1 0.0% #813 1,584 0 3
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 Ken Flach Paul Annacone
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 1982 — — — — 0 1 1 0.0% — — — — — — — — 1982 0 1 1 0.0% — — — — — — — — — — — —
20 1983 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% — — — — 1983 2 1 3 66.7% 1 2 3 33.3% 2 1 3 66.7% 0 1 1 0.0%
21 1984 3 2 5 60.0% — — — — 3 3 6 50.0% 1 1 2 50.0% 1984 2 5 7 28.6% — — — — 6 4 10 60.0% — — — —
22 1985 10 8 18 55.6% — — — — 1 2 3 33.3% 1 2 3 33.3% 1985 18 7 25 72.0% 0 1 1 0.0% 7 4 11 63.6% 20 7 27 74.1%
23 1986 2 6 8 25.0% 0 3 3 0.0% 2 2 4 50.0% 0 4 4 0.0% 1986 4 7 11 36.4% — — — — 4 2 6 66.7% 10 7 17 58.8%
24 1987 6 8 14 42.9% — — — — 4 4 8 50.0% 0 1 1 0.0% 1987 12 10 22 54.5% 4 2 6 66.7% 6 3 9 66.7% 7 5 12 58.3%
25 1988 2 6 8 25.0% 0 1 1 0.0% 3 2 5 60.0% 2 3 5 40.0% 1988 12 10 22 54.5% 2 2 4 50.0% 5 2 7 71.4% 6 4 10 60.0%
26 1989 3 4 7 42.9% — — — — 2 1 3 66.7% 1 2 3 33.3% 1989 3 10 13 23.1% 0 1 1 0.0% 6 3 9 66.7% 8 4 12 66.7%
27 1990 2 4 6 33.3% — — — — 1 1 2 50.0% 0 1 1 0.0% 1990 5 10 15 33.3% — — — — 1 3 4 25.0% 4 4 8 50.0%
28 1991 0 1 1 0.0% — — — — — — — — 0 1 1 0.0% 1991 1 2 3 33.3% — — — — 1 1 2 50.0% — — — —
29 1992 0 1 1 0.0% — — — — — — — — — — — — 1992 0 2 2 0.0% — — — — 1 1 2 50.0% 0 1 1 0.0%
30 — — — — — — — — — — — — — — — — — 1993 — — — — — — — — — — — — 0 1 1 0.0%
31 1994 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
32 1995 — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
Career — 30 42 72 41.7% 0 6 6 0.0% 17 17 34 50.0% 5 15 20 25.0% — 59 65 124 47.6% 7 8 15 46.7% 39 24 63 61.9% 55 34 89 61.8%

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 6/6 of Ken Flach's and 9/11 of Paul Annacone'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 Ken Flach Paul Annacone
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%
28 1991 2/2 7.5 1.5 65.6% 70.8% 56.1% 41.7% 16.7% 65.7% 33.4% 1991 3/5 2.7 4.3 58.4% 65.0% 48.4% 58.9% 37.5% 58.0% 28.9%
29 1992 1/1 6.0 3.0 50.8% 74.2% 40.0% 25.0% 0.0% 57.4% 32.4% 1992 5/5 12.8 9.4 52.7% 72.1% 45.4% 59.5% 48.1% 59.4% 35.5%
30 — —/— — — — — — — — — — 1993 1/1 4.0 3.0 61.7% 75.9% 38.9% 0.0% 0.0% 61.7% 25.5%
31 1994 2/2 9.5 3.0 59.7% 71.7% 42.9% 70.0% 50.0% 60.3% 28.8% — —/— — — — — — — — — —
32 1995 1/1 10.0 14.0 48.1% 75.9% 41.5% 57.1% 41.2% 58.0% 41.3% — —/— — — — — — — — — —
Career — 6/132 8.3 4.3 58.2% 72.5% 46.6% 50.9% 29.1% 61.2% 33.0% — 9/291 8.4 7.0 55.6% 70.1% 45.7% 52.7% 39.2% 59.2% 32.2%

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 Ken Flach Paul Annacone
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 1982 1499 112.4 — — — — — — — 0.0% -4.00 — — — -0.28 1982 1492 100.7 — — — — — — — 0.0% -2.50 — — — -0.01
20 1983 1522 107.7 — — — — — — — 41.7% -0.75 — 0–2 — +0.25 1983 1534 110.6 — — — — +27 -19 +42 50.0% -0.04 2–2 (50%) 5–5 (50%) — +1.07
21 1984 1599 117.5 — — — — +21 — -14 51.2% -0.05 4–3 (57%) 2–4 (33%) — +0.63 1984 1584 121.3 — — — — -44 — +79 46.8% -0.23 2–1 (67%) 9–4 (69%) — +0.74
22 1985 1676 134.2 — — — — +19 — -94 44.8% -0.26 4–0 (100%) 4–2 (67%) — -0.49 1985 1883 150.0 — — — — +31 — -175 59.4% +0.45 18–5 (78%) 22–16 (58%) — +0.51
23 1986 1557 111.4 — — — — +7 -76 +56 29.4% -1.16 2–4 (33%) 2–4 (33%) — -0.12 1986 1783 144.2 — — — — +8 — -28 51.1% +0.27 7–7 (50%) 4–8 (33%) — -1.82
24 1987 1622 115.8 — — — — -40 — +10 48.6% -0.39 2–5 (29%) 9–4 (69%) — +1.50 1987 1824 150.8 — — — — +2 -239 -27 58.2% +0.46 8–9 (47%) 11–12 (48%) — -3.01
25 1988 1618 116.8 — — — — -94 — +56 42.1% -0.67 4–5 (44%) 4–5 (44%) — -1.49 1988 1785 136.2 — — — — -6 -161 +14 56.0% +0.35 6–7 (46%) 5–6 (45%) — -0.06
26 1989 1652 118.7 — — — — -87 — +41 48.9% -0.31 3–4 (43%) 7–5 (58%) — -0.04 1989 1732 134.3 — — — — -17 — +69 49.5% +0.32 6–7 (46%) 4–14 (22%) — -0.38
27 1990 1612 118.0 — — — — -53 — — 44.0% -0.40 1–4 (20%) 2–1 (67%) — -0.05 1990 1651 127.7 — — — — +8 — +106 44.7% -0.20 3–9 (25%) 7–10 (41%) — -0.79
28 1991 1576 100.1 -1.14 -2.20 0.974 48.8% — — — 20.0% -1.20 0–1 1–1 — +0.27 1991 1641 101.3 -0.79 -2.06 0.687 45.5% — — — 40.0% -1.00 2–0 2–0 — +0.29
29 1992 1559 98.8 -2.84 -0.85 0.759 44.2% — — — 0.0% -3.00 — — — +0.08 1992 1598 102.6 -0.71 -1.39 0.874 47.9% +11 — — 40.0% -0.73 1–4 (20%) 3–2 (60%) — -0.03
30 — — — — — — — — — — — — — — — — 1993 1585 100.6 -3.42 +1.40 0.666 42.9% — — — 0.0% -3.00 — — — 0.00
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 — 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 — 1942 144.9 -1.04 -1.30 0.788 46.6% +6 -164 -5 53.1% +0.22 55–51 (52%) 72–77 (48%) 97.0 -1.22

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.