Ranking history updated: 2026-03-17 04:30 UTC

George Cosac ATP Ranking History

George Cosac's ATP ranking history, with year-by-year summaries plus every available weekly rank, age and points snapshot.

Latest Rank

1,550

Latest date

Sep 4, 2006

Career high

265

Career-high date

Oct 23, 1995

Career-high points

123

Points-high date

Sep 18, 1995

Best year-end

322

Weeks at #1

Coverage: 780 distinct observed ranking weeks, Dec 1, 1986–Sep 4, 2006. Available-week totals may undercount careers where historical snapshots are missing. Weeks at No. 1 counts available snapshots.

Season	Date	Week	Age	Rank	Points
1986	Dec 1	49	18.8	#714	0
1986	Dec 8	50	18.9	#713	0
1986	Dec 29	1	18.9	#720	0
1987	Jan 5	2	18.9	#720	0
1987	Jan 12	3	19.0	#721	0
1987	Jan 26	5	19.0	#723	0
1987	Feb 2	6	19.0	#719	0
1987	Feb 9	7	19.0	#719	0
1987	Feb 16	8	19.1	#720	0
1987	Feb 23	9	19.1	#718	0
1987	Mar 9	11	19.1	#715	0
1987	Mar 23	13	19.2	#708	0
1987	Mar 30	14	19.2	#707	0
1987	Apr 6	15	19.2	#718	0
1987	Apr 13	16	19.2	#723	0
1987	Apr 20	17	19.2	#722	0
1987	Apr 27	18	19.2	#568	0
1987	May 4	19	19.3	#574	0
1987	May 11	20	19.3	#572	0
1987	May 18	21	19.3	#577	0
1987	May 25	22	19.3	#579	0
1987	Jun 8	24	19.4	#582	0
1987	Jun 15	25	19.4	#588	0
1987	Jun 22	26	19.4	#592	0
1987	Jul 6	28	19.4	#577	0
1987	Jul 13	29	19.5	#609	0
1987	Jul 20	30	19.5	#614	0
1987	Jul 27	31	19.5	#600	0
1987	Aug 3	32	19.5	#596	0
1987	Aug 10	33	19.5	#599	0
1987	Aug 17	34	19.6	#603	0
1987	Aug 24	35	19.6	#606	0
1987	Aug 31	36	19.6	#613	0
1987	Sep 14	38	19.6	#615	0
1987	Sep 21	39	19.7	#610	0
1987	Sep 28	40	19.7	#532	0
1987	Oct 5	41	19.7	#539	0
1987	Oct 12	42	19.7	#537	0
1987	Oct 19	43	19.7	#529	0
1987	Oct 26	44	19.7	#536	0
1987	Nov 2	45	19.8	#535	0
1987	Nov 9	46	19.8	#542	0
1987	Nov 16	47	19.8	#547	0
1987	Nov 23	48	19.8	#542	0
1987	Nov 30	49	19.8	#617	0
1987	Dec 28	53	19.9	#535	0
1988	Jan 4	1	19.9	#538	0
1988	Jan 11	2	20.0	#537	0
1988	Jan 25	4	20.0	#537	0
1988	Feb 1	5	20.0	#539	0
1988	Feb 15	7	20.1	#535	0
1988	Feb 22	8	20.1	#535	0
1988	Feb 29	9	20.1	#543	0
1988	Mar 7	10	20.1	#536	0
1988	Mar 14	11	20.1	#536	0
1988	Mar 28	13	20.2	#544	0
1988	Apr 18	16	20.2	#544	0
1988	Apr 25	17	20.2	#612	0
1988	May 2	18	20.3	#611	0
1988	May 9	19	20.3	#613	0
1988	May 16	20	20.3	#597	0
1988	May 23	21	20.3	#594	0
1988	Jun 6	23	20.4	#598	0
1988	Jun 13	24	20.4	#600	0
1988	Jun 20	25	20.4	#605	0
1988	Jul 4	27	20.4	#612	0
1988	Jul 11	28	20.5	#602	0
1988	Jul 18	29	20.5	#509	0
1988	Jul 25	30	20.5	#508	0
1988	Aug 1	31	20.5	#516	0
1988	Aug 8	32	20.5	#513	0
1988	Aug 15	33	20.6	#515	0
1988	Aug 22	34	20.6	#521	0
1988	Aug 29	35	20.6	#522	0
1988	Sep 12	37	20.6	#524	0
1988	Sep 19	38	20.6	#532	0
1988	Sep 26	39	20.7	#548	0
1988	Oct 3	40	20.7	#539	0
1988	Oct 10	41	20.7	#541	0
1988	Oct 17	42	20.7	#547	0
1988	Oct 24	43	20.7	#548	0
1988	Oct 31	44	20.8	#550	0
1988	Nov 7	45	20.8	#549	0
1988	Nov 14	46	20.8	#560	0
1988	Nov 21	47	20.8	#565	0
1988	Nov 28	48	20.8	#561	0
1988	Dec 12	50	20.9	#568	0
1988	Dec 19	51	20.9	#634	0
1989	Jan 9	2	21.0	#638	0
1989	Jan 16	3	21.0	#640	0
1989	Jan 30	5	21.0	#638	0
1989	Feb 13	7	21.1	#638	0
1989	Feb 20	8	21.1	#639	0
1989	Feb 27	9	21.1	#638	0
1989	Mar 6	10	21.1	#640	0
1989	Mar 13	11	21.1	#641	0
1989	Mar 20	12	21.1	#643	0
1989	Apr 3	14	21.2	#651	0
1989	Apr 17	16	21.2	#495	0
1989	Apr 24	17	21.2	#499	0
1989	May 1	18	21.3	#508	0
1989	May 8	19	21.3	#507	0
1989	May 15	20	21.3	#505	0
1989	May 22	21	21.3	#511	0
1989	May 29	22	21.3	#519	0
1989	Jun 12	24	21.4	#517	0
1989	Jun 19	25	21.4	#518	0
1989	Jun 26	26	21.4	#518	0
1989	Jul 10	28	21.5	#476	0
1989	Jul 17	29	21.5	#540	0
1989	Jul 24	30	21.5	#539	0
1989	Jul 31	31	21.5	#544	0
1989	Aug 7	32	21.5	#550	0
1989	Aug 14	33	21.5	#552	0
1989	Aug 21	34	21.6	#549	0
1989	Aug 28	35	21.6	#552	0
1989	Sep 11	37	21.6	#551	0
1989	Sep 18	38	21.6	#542	0
1989	Sep 25	39	21.7	#570	0
1989	Oct 2	40	21.7	#575	0
1989	Oct 9	41	21.7	#578	0
1989	Oct 16	42	21.7	#580	0
1989	Oct 23	43	21.7	#576	0
1989	Oct 30	44	21.8	#585	0
1989	Nov 6	45	21.8	#592	0
1989	Nov 13	46	21.8	#586	0
1989	Nov 20	47	21.8	#585	0
1989	Nov 27	48	21.8	#589	0
1989	Dec 4	49	21.9	#589	0
1989	Dec 11	50	21.9	#585	0
1989	Dec 18	51	21.9	#586	0
1990	Jan 1	1	21.9	#587	15
1990	Jan 8	2	22.0	#581	15
1990	Jan 15	3	22.0	#580	15
1990	Jan 22	4	22.0	#580	0
1990	Jan 29	5	22.0	#580	15
1990	Feb 5	6	22.0	#580	0
1990	Feb 12	7	22.0	#575	15
1990	Feb 19	8	22.1	#572	15
1990	Feb 26	9	22.1	#568	15
1990	Mar 5	10	22.1	#564	15
1990	Mar 12	11	22.1	#567	15
1990	Mar 19	12	22.1	#567	0
1990	Mar 26	13	22.2	#578	15
1990	Apr 2	14	22.2	#578	0
1990	Apr 9	15	22.2	#571	15
1990	Apr 16	16	22.2	#848	4
1990	Apr 23	17	22.2	#700	8
1990	Apr 30	18	22.3	#697	8
1990	May 7	19	22.3	#688	8
1990	May 14	20	22.3	#685	8
1990	May 21	21	22.3	#689	8
1990	May 28	22	22.3	#687	8
1990	Jun 4	23	22.4	#687	0
1990	Jun 11	24	22.4	#685	8
1990	Jun 18	25	22.4	#681	8
1990	Jun 25	26	22.4	#685	8
1990	Jul 2	27	22.4	#685	0
1990	Jul 9	28	22.5	#632	10
1990	Jul 16	29	22.5	#633	10
1990	Jul 23	30	22.5	#633	10
1990	Jul 30	31	22.5	#626	10
1990	Aug 6	32	22.5	#625	10
1990	Aug 13	33	22.5	#633	10
1990	Aug 20	34	22.6	#630	10
1990	Aug 27	35	22.6	#627	10
1990	Sep 10	37	22.6	#622	10
1990	Sep 17	38	22.6	#628	10
1990	Sep 24	39	22.7	#630	10
1990	Oct 1	40	22.7	#628	10
1990	Oct 8	41	22.7	#637	10
1990	Oct 15	42	22.7	#637	10
1990	Oct 22	43	22.7	#638	10
1990	Oct 29	44	22.8	#569	15
1990	Nov 5	45	22.8	#569	15
1990	Nov 12	46	22.8	#571	15
1990	Nov 19	47	22.8	#568	15
1990	Nov 26	48	22.8	#567	15
1990	Dec 3	49	22.9	#568	15
1990	Dec 10	50	22.9	#564	15
1990	Dec 17	51	22.9	#564	0
1990	Dec 24	52	22.9	#567	15
1990	Dec 31	1	22.9	#567	0
1991	Jan 7	2	22.9	#568	15
1991	Jan 14	3	23.0	#568	15
1991	Jan 21	4	23.0	#568	0
1991	Jan 28	5	23.0	#567	15
1991	Feb 4	6	23.0	#567	0
1991	Feb 11	7	23.0	#575	15
1991	Feb 18	8	23.1	#576	15
1991	Feb 25	9	23.1	#574	15
1991	Mar 4	10	23.1	#578	15
1991	Mar 11	11	23.1	#582	15
1991	Mar 18	12	23.1	#582	0
1991	Mar 25	13	23.2	#582	15
1991	Apr 1	14	23.2	#583	15
1991	Apr 8	15	23.2	#582	15
1991	Apr 15	16	23.2	#570	15
1991	Apr 22	17	23.2	#644	11
1991	Apr 29	18	23.3	#643	11

George Cosac ATP Ranking History

Rank and Points

Ranking History

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