Player data updated: 2026-09-01 02:16 UTC

Eduardo Oncins

BRA Age 61 Plays: Right-Handed ATP Tour years active: 1982–1984

Eduardo Oncins represented Brazil on the ATP Tour and reached a career-high ranking of No. 256. In TennisDB's records, Eduardo Oncins finished with a career record of 0–4 and no singles titles.

Peak ranking

256 (Aug 6, 1984)

Elo peak

1500 (3rd percentile)

Career record

0–4 (0.0%)

Career titles

Prize money

$10,631

Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.

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ATP Matches full match log →

Eduardo Oncins's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Aaron Krickstein #28	0-6 1-6 1-6	L	H2H	Match data	May 30, 1984*	R128	Roland Garros	Grand Slam	Clay
John Lloyd	0-6 3-6 3-6	L	—	Match data	Dec 1, 1983*	R128	Australian Open	Grand Slam	Grass
Russell Simpson #50	6-7 2-6	L	H2H	Match data	Jan 13, 1983*	R32	ASB Classic	ATP 250	Hard
Robert Vant Hof	2-6 0-6	L	—	Match data	Oct 20, 1982*	R64	Japan Open	ATP 250	Clay

Rivals all rivalries →

Eduardo Oncins's most-played ATP rivals
Opponent	L	M	Last Played	H2H
Aaron Krickstein	1	1	May 30, 1984	H2H
John Lloyd	1	1	Dec 1, 1983	—
Russell Simpson	1	1	Jan 13, 1983	H2H
Robert Vant Hof	1	1	Oct 20, 1982	—

Career Results

Eduardo Oncins career results by season
Season	Age	L	M	Win %	Start Rank	End Rank
1982	17	1	1	0.0%	—	—
1983	18	2	2	0.0%	343	343
1984	19	1	1	0.0%	267	356
Career		4	4	0.0%	—	—

Career Results by Surface

Eduardo Oncins career results by season and surface
Season	Age	Hard				Clay				Grass				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
1982	17	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
1983	18	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%	0	2	2	0.0%
1984	19	—	—	—	—	0	1	1	0.0%	—	—	—	—	0	1	1	0.0%
Career	—	0	1	1	0.0%	0	2	2	0.0%	0	1	1	0.0%	0	4	4	0.0%

Career Results by Opponent Rank

Eduardo Oncins career results by season and opponent rank
Season	Age	1-10				11-30				31-100				100+				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
1983	18	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%
1984	19	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	0	—	—	0	1	1	0.0%
Career		0	0	—	—	0	1	1	0.0%	0	1	1	0.0%	0	0	—	—	0	2	2	0.0%

Opponent ranking data available for 2/4 (50.0%) of Eduardo Oncins's ATP main draw matches.

Advanced Stats

Eduardo Oncins advanced statistics by season
Season	Age	Elo	P+	Serve+	Return+	PD	TPW%	Hard Elo	Clay Elo	Grass Elo	Set Win %	Set Margin	Dec. Set	Tiebreak	Pressure+	Schedule
1982	17	1491	93.8	—	—	—	—	—	—	—	0.0%	-5.00	—	—	—	-0.04
1983	18	1469	96.8	—	—	—	—	—	—	—	0.0%	-3.40	—	0–1	—	+0.02
1984	19	1461	94.7	—	—	—	—	—	—	—	0.0%	-5.33	—	—	—	-0.07
Career		1500	93.1	—	—	—	—	—	—	—	0.0%	-4.30	—	0–1	—	-2.25

Tournament Results by Category

Grand Slams

Eduardo Oncins Grand Slams results by season
Season	Age	AO	RG	W-L Win %
1983	18	R128	—	0–1 (0%)
1984	19	—	R128	0–1 (0%)
W-L		0–1 (0%)	0–1 (0%)	0–2 (0%)

ATP 250

Eduardo Oncins ATP 250 results by season
Season	Age	ASB	TKY	W-L Win %
1982	17	—	R64	0–1 (0%)
1983	18	R32	—	0–1 (0%)
W-L		0–1 (0%)	0–1 (0%)	0–2 (0%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

256

Career-high date

Aug 6, 1984

First Top 100

—

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Eduardo Oncins ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1983	18	343	—	—	—	—	—	—	—	—	—	—	—
1984	19	267	—	—	—	—	268	258	262	277	354	352	356
1985	20	323	328	314	302	324	329	342	354	380	375	375	383
1986	21	383	421	484	621	608	608	635	590	737	739	742	756
1987	22	758	754	700	727	730	742	613	590	564	560	569	587
1988	23	586	593	602	598	601	610	678	541	582	431	437	413
1989	24	415	393	402	402	411	404	445	451	424	503	501	563
1990	25	556	595	619	575	573	581	569	551	616	640	649	654
1991	26	653	665	674	708	584	595	621	696	708	710	718	730
1992	27	729	715	703	708	953	945	936	—	—	—	—	—

Similar Players

Other ATP players with comparable peak level, era, career record, and career scale.

Eduardo Oncins's most statistically similar ATP players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
Shinichi Sakamoto	JPN	274	1,500	8	1	7	12.5%	1978–1984	Match log
Tetsu Kuramitsu	JPN	281	1,500	10	1	9	10.0%	1976–1986	Match log
Billy Nealon	USA	230	1,523	11	1	10	9.1%	1980–1985	Match log
Norm Schellenger	USA	254	1,506	5	1	4	20.0%	1970–1986	Match log
Thomas Stalhandske	ARG	255	1,516	4	2	2	50.0%	1983–1984	Match log
Gerald Mild	AUT	275	1,506	5	1	4	20.0%	1982–1987	Match log
Brent Pirow	RSA	229	1,500	12	2	10	16.7%	1981–1985	Match log
Shozo Shiraishi	JPN	326	1,500	13	1	12	7.7%	1979–1989	Match log
Bill Cowan	CAN	207	1,513	9	1	8	11.1%	1980–1987	Match log
Lorenzo Fargas	ESP	201	1,500	14	1	13	7.1%	1976–1986	Match log
Carlos Chabalgoity	BRA	287	1,527	4	2	2	50.0%	1982–1983	Match log
Bob Blazekovic	USA	273	1,514	3	1	2	33.3%	1981–1985	Match log

Frequently Asked Questions

How old is Eduardo Oncins?: Eduardo Oncins is 61 years old, born on December 10, 1964.
Which country does Eduardo Oncins represent?: Eduardo Oncins represents Brazil in TennisDB's ATP records.
Is Eduardo Oncins left-handed or right-handed?: Eduardo Oncins plays right-handed.
How many Grand Slams has Eduardo Oncins won?: Eduardo Oncins has not won a Grand Slam title.
How many Masters 1000 titles has Eduardo Oncins won?: TennisDB does not group any of Eduardo Oncins's titles under the modern Masters 1000 category.
What is Eduardo Oncins' highest ATP ranking?: Eduardo Oncins' career-high ATP singles ranking is world No. 256, first achieved on August 6, 1984.
What is Eduardo Oncins' career win-loss record?: Eduardo Oncins has a career ATP singles record of 0 wins and 4 losses (0.0%).
How much career prize money has Eduardo Oncins earned?: Eduardo Oncins has earned at least $10,631 in career prize money from professional tennis.
Which seasons of Eduardo Oncins's career appear in TennisDB?: Eduardo Oncins appears in TennisDB's ATP main-tour match records from 1982 through 1984.
Who has Eduardo Oncins faced most often?: Eduardo Oncins' most frequent opponent is Aaron Krickstein, with a head-to-head record of 0–1 across 1 meeting.