H2H data updated: 2026-09-04 00:00 UTC

Tom Okker vs Ion Tiriac H2H: 4-2

Tom Okker holds a 4–2 lead over Ion Tiriac in their ATP head-to-head. Across 6 main-draw meetings, Tom Okker leads 2–1 on clay and 2–0 on carpet. Most recently, Tom Okker won the 1973 London quarterfinal 7-6 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.

Tom Okker

NED Age 82 Right-Handed 177 cm / 5'10"

H2H

4 – 2

6 main draw meetings

Ion Tiriac

ROU Age 87 Right-Handed 185 cm / 6'1"

H2H Match Log

Player	Score	Player	Match Data	Date	Round	Tournament	Category	Surface
Tom Okker	7-6 6-4	Ion Tiriac	Match data	Nov 22, 1973*	QF	London	ATP 250	Carpet
Tom Okker	6-4 6-0 4-6 6-0	Ion Tiriac	Match data	Apr 10, 1971*	SF	Monte-Carlo Masters	ATP 250	Clay
Ion Tiriac	6-3 7-5	Tom Okker	Match data	Feb 19, 1970*	R16	Salisbury	ATP 250	Hard
Tom Okker	6-2 6-2	Ion Tiriac	Match data	Nov 12, 1969*	QF	Paris	ATP 250	Carpet
Tom Okker	6-1 2-6 6-4 11-9	Ion Tiriac	Match data	May 26, 1969*	R16	Italian Open	ATP 250	Clay
Ion Tiriac	6-8 7-5 6-0	Tom Okker	Match data	Jun 16, 1968*	F	Lugano	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
Tom Okker	#438	#3	0	2,196	668	278	70.6%	0	0	0	1	33	34
Ion Tiriac	#439	#55	0	1,888	230	190	54.8%	0	0	0	0	4	4

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	Tom Okker							Ion Tiriac
Age	Yr	W-L	Win %	Rank	Elo	GS	Titles	Yr	W-L	Win %	Rank	Elo	GS	Titles
24	1968	89–23	79.5%	—	1,793	0	4	—	—	—	—	—	—	—
25	1969	86–25	77.5%	—	2,029	0	12	—	—	—	—	—	—	—
26	1970	59–27	68.6%	—	1,947	0	17	—	—	—	—	—	—	—
27	1971	74–31	70.5%	—	2,012	0	19	—	—	—	—	—	—	—
28	1972	69–31	69.0%	—	2,042	0	20	—	—	—	—	—	—	—
29	1973	91–23	79.8%	#4	2,171	0	27	1968	60–12	83.3%	—	1,832	0	2
30	1974	61–18	77.2%	#6	2,074	0	30	1969	14–14	50.0%	—	1,763	0	2
31	1975	39–13	75.0%	#11	2,076	0	32	1970	34–22	60.7%	—	1,809	0	3
32	1976	33–18	64.7%	#23	1,962	0	32	1971	27–16	62.8%	—	1,783	0	4
33	1977	15–13	53.6%	#29	1,935	0	33	1972	23–26	46.9%	—	1,675	0	4
34	1978	20–20	50.0%	#50	1,882	0	33	1973	36–36	50.0%	#74	1,681	0	4
35	1979	20–18	52.6%	#56	1,774	0	34	1974	9–14	39.1%	#72	1,620	0	4
36	1980	11–13	45.8%	#107	1,716	0	34	1975	8–10	44.4%	#138	1,595	0	4
37	1981	1–5	16.7%	—	1,652	0	34	1976	1–7	12.5%	#248	1,548	0	4
38	—	—	—	—	—	—	—	1977	15–20	42.9%	#97	1,631	0	4
39	—	—	—	—	—	—	—	1978	2–10	16.7%	#263	1,522	0	4
40	—	—	—	—	—	—	—	1979	1–3	25.0%	#439	1,525	0	4

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	Tom Okker																	Ion Tiriac
	Yr	Hard				Clay				Grass				Carpet				Yr	Hard				Clay				Grass				Carpet
	Yr	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	Yr	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
24	1968	26	9	35	74.3%	35	7	42	83.3%	20	2	22	90.9%	8	5	13	61.5%	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
25	1969	19	9	28	67.9%	36	6	42	85.7%	14	4	18	77.8%	17	6	23	73.9%	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
26	1970	15	6	21	71.4%	16	3	19	84.2%	21	12	33	63.6%	7	6	13	53.8%	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
27	1971	12	7	19	63.2%	24	10	34	70.6%	13	4	17	76.5%	25	10	35	71.4%	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
28	1972	22	10	32	68.8%	10	5	15	66.7%	2	1	3	66.7%	35	15	50	70.0%	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
29	1973	16	5	21	76.2%	39	8	47	83.0%	4	2	6	66.7%	32	8	40	80.0%	1968	—	—	—	—	56	11	67	83.6%	4	1	5	80.0%	—	—	—	—
30	1974	14	5	19	73.7%	17	6	23	73.9%	6	2	8	75.0%	24	5	29	82.8%	1969	4	5	9	44.4%	7	5	12	58.3%	2	2	4	50.0%	1	2	3	33.3%
31	1975	13	3	16	81.3%	1	3	4	25.0%	10	1	11	90.9%	15	6	21	71.4%	1970	6	5	11	54.5%	25	10	35	71.4%	2	2	4	50.0%	1	5	6	16.7%
32	1976	6	3	9	66.7%	7	5	12	58.3%	5	2	7	71.4%	15	8	23	65.2%	1971	4	4	8	50.0%	20	7	27	74.1%	3	2	5	60.0%	0	3	3	0.0%
33	1977	4	4	8	50.0%	0	1	1	0.0%	3	1	4	75.0%	8	7	15	53.3%	1972	6	9	15	40.0%	10	10	20	50.0%	4	3	7	57.1%	3	4	7	42.9%
34	1978	3	4	7	42.9%	9	8	17	52.9%	6	2	8	75.0%	2	6	8	25.0%	1973	2	9	11	18.2%	23	20	43	53.5%	4	3	7	57.1%	7	4	11	63.6%
35	1979	11	6	17	64.7%	3	5	8	37.5%	4	1	5	80.0%	2	6	8	25.0%	1974	2	3	5	40.0%	0	5	5	0.0%	0	1	1	0.0%	7	5	12	58.3%
36	1980	5	4	9	55.6%	2	5	7	28.6%	2	1	3	66.7%	2	3	5	40.0%	1975	1	1	2	50.0%	1	2	3	33.3%	0	1	1	0.0%	6	6	12	50.0%
37	1981	1	3	4	25.0%	0	1	1	0.0%	0	1	1	0.0%	—	—	—	—	1976	1	2	3	33.3%	0	1	1	0.0%	0	1	1	0.0%	0	3	3	0.0%
38	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1977	1	2	3	33.3%	13	14	27	48.1%	1	1	2	50.0%	0	3	3	0.0%
39	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1978	1	2	3	33.3%	1	5	6	16.7%	0	3	3	0.0%	—	—	—	—
40	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1979	—	—	—	—	—	—	—	—	1	1	2	50.0%	0	2	2	0.0%
Career	—	167	78	245	68.2%	199	73	272	73.2%	110	36	146	75.3%	192	91	283	67.8%	—	28	42	70	40.0%	156	90	246	63.4%	21	21	42	50.0%	25	37	62	40.3%

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	Tom Okker																Ion Tiriac
Age	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
24	1968	1794	133.7	—	—	—	—	+101	+28	+106	72.8%	+1.68	13–8 (62%)	—	—	+1.39	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
25	1969	2030	149.0	—	—	—	—	+67	+67	-72	73.5%	+1.60	14–8 (64%)	2–0	—	-4.53	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
26	1970	1947	145.1	—	—	—	—	-16	+206	+16	66.5%	+1.16	8–11 (42%)	7–4 (64%)	—	+2.19	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
27	1971	2013	159.9	—	—	—	—	+69	+10	+75	65.3%	+1.09	15–11 (58%)	15–22 (41%)	—	-6.81	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
28	1972	2043	156.9	—	—	—	—	+57	-30	-5	63.5%	+1.01	22–10 (69%)	24–19 (56%)	—	-5.06	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
29	1973	2171	158.0	—	—	—	—	+40	-10	-158	70.9%	+1.31	23–7 (77%)	20–10 (67%)	—	-4.78	1968	1833	137.7	—	—	—	—	—	+131	-203	75.3%	+1.86	9–2 (82%)	—	—	+2.01
30	1974	2074	157.5	—	—	—	—	+132	+65	-20	68.6%	+0.99	20–3 (87%)	22–8 (73%)	—	-4.73	1969	1763	123.3	—	—	—	—	-148	+136	-139	51.5%	+0.17	1–0	—	—	-1.83
31	1975	2076	152.1	—	—	—	—	+76	-53	+48	70.1%	+1.53	9–4 (69%)	5–2 (71%)	—	-1.17	1970	1810	138.9	—	—	—	—	-162	+93	-151	63.9%	+0.98	3–10 (23%)	—	—	-0.73
32	1976	1963	149.2	—	—	—	—	+53	-21	+146	61.5%	+0.73	7–4 (64%)	5–4 (56%)	—	-1.71	1971	1783	135.6	—	—	—	—	-170	+109	-57	58.1%	+0.67	5–1 (83%)	2–4 (33%)	—	+3.37
33	1977	1936	150.8	—	—	—	—	+16	—	+174	52.1%	+0.08	6–4 (60%)	2–1 (67%)	—	-2.95	1972	1676	128.9	—	—	—	—	-62	+101	+65	51.5%	+0.05	6–15 (29%)	3–4 (43%)	—	+3.07
34	1978	1882	150.6	—	—	—	—	-30	-29	+247	51.9%	+0.15	7–7 (50%)	5–5 (50%)	—	-4.63	1973	1682	130.0	—	—	—	—	-58	-1	+83	51.4%	+0.18	10–14 (42%)	7–6 (54%)	—	+4.22
35	1979	1774	131.3	—	—	—	—	+9	-16	+387	51.0%	+0.03	8–5 (62%)	8–8 (50%)	—	0.00	1974	1621	121.7	—	—	—	—	+70	-34	—	38.5%	-0.69	3–2 (60%)	1–3 (25%)	—	+0.02
36	1980	1717	136.0	—	—	—	—	+27	-8	+440	47.5%	-0.25	3–5 (38%)	5–2 (71%)	—	+0.78	1975	1596	116.1	—	—	—	—	+70	-20	—	43.5%	-0.11	4–4 (50%)	1–8 (11%)	—	+2.98
37	1981	1653	106.8	—	—	—	—	+39	—	—	26.7%	-1.20	0–1	0–3 (0%)	—	-0.28	1976	1549	112.0	—	—	—	—	+52	—	—	20.0%	-2.20	0–1	0–1	—	+0.52
38	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1977	1631	139.0	—	—	—	—	-93	+39	—	44.9%	-0.49	2–6 (25%)	6–4 (60%)	—	-0.45
39	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1978	1523	117.6	—	—	—	—	+24	+99	+113	23.3%	-1.60	1–2 (33%)	0–1	—	+0.15
40	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1979	1525	117.9	—	—	—	—	—	—	—	40.0%	-1.10	0–2	1–0	—	-0.12
Career	—	2196	154.7	—	—	—	—	+57	+28	+63	65.9%	+1.08	155–88 (64%)	120–88 (58%)	102.9	-3.45	—	1888	137.2	—	—	—	—	-54	+82	-31	55.5%	+0.44	44–59 (43%)	21–31 (40%)	92.2	+3.21

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.

Tom Okker's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Arthur Ashe	10	16	26	Nov 2, 1975	H2H
Rod Laver	3	22	25	May 18, 1974	H2H
Roger Taylor	17	8	25	Mar 24, 1973	H2H
Tony Roche	16	8	24	Feb 21, 1977	H2H
John Newcombe	11	11	22	May 13, 1974	H2H

Ion Tiriac's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Ilie Nastase	2	7	9	Feb 17, 1973	H2H
Raymond Moore	2	6	8	Apr 25, 1974	H2H
Manuel Orantes	1	6	7	Jul 21, 1973	H2H
Guillermo Vilas	0	6	6	Jan 18, 1979	H2H
Zeljko Franulovic	3	3	6	Aug 9, 1978	H2H