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

Belus Prajoux

CHI Age 71 170 cm / 5'7" Plays: Right-Handed ATP Tour years active: 1972–1986

Belus Prajoux represented Chile on the ATP Tour and reached a career-high ranking of No. 62. In TennisDB's records, Belus Prajoux finished with a career record of 81–129 and no singles titles.

Peak ranking

62 (Apr 4, 1977)

Elo peak

1730 (59th percentile)

Career record

81–129 (38.6%)

Career titles

Prize money

$7,084

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 →

Belus Prajoux's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Alex Antonitsch #262	6-7 5-7	L	H2H	Match data	Aug 14, 1986*	R32	St. Vincent	ATP 250	Clay
Marko Ostoja	4-6 2-6	L	H2H	Match data	Oct 13, 1983*	R32	Swiss Indoors	ATP 250	Hard
Juan Aguilera	1-6 4-6	L	H2H	Match data	Jul 28, 1983*	R32	North Conway	ATP 250	Clay
Pablo Arraya #39	2-6 6-4 6-3	W	H2H	Match data	Jul 27, 1983*	R64	North Conway	ATP 250	Clay
Karl Meiler	4-6 2-6	L	H2H	Match data	Mar 10, 1983*	R32	Nancy	ATP 250	Hard

Rivals all rivalries →

Belus Prajoux's most-played ATP rivals
Opponent	W	L	M	Last Played	H2H
Jaime Fillol	1	7	8	May 14, 1981	H2H
Eddie Dibbs	2	5	7	Jul 18, 1980	H2H
Hans Gildemeister	2	4	6	Feb 17, 1983	—
Guillermo Vilas	0	6	6	Nov 22, 1979	H2H
Zeljko Franulovic	2	3	5	May 28, 1980	H2H

Career Results

Belus Prajoux career results by season
Season	Age	W	L	M	Win %	Start Rank	End Rank
1972	17	0	2	2	0.0%	—	—
1973	18	1	2	3	33.3%	162	207
1974	19	9	20	29	31.0%	200	116
1975	20	12	17	29	41.4%	115	138
1976	21	13	14	27	48.2%	145	66
1977	22	16	20	36	44.4%	66	87
1978	23	12	17	29	41.4%	129	111
1979	24	1	5	6	16.7%	97	111
1980	25	8	14	22	36.4%	91	154
1981	26	6	11	17	35.3%	—	—
1982	27	2	2	4	50.0%	—	—
1983	28	1	4	5	20.0%	172	172
1986	31	0	1	1	0.0%	390	567
Career		81	129	210	38.6%	—	—

Career Results by Surface

Belus Prajoux career results by season and surface
Season	Age	Hard				Clay				Grass				Carpet				Total
Season	Age	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
1972	17	—	—	—	—	0	1	1	0.0%	0	1	1	0.0%	—	—	—	—	0	2	2	0.0%
1973	18	—	—	—	—	1	1	2	50.0%	0	1	1	0.0%	—	—	—	—	1	2	3	33.3%
1974	19	0	2	2	0.0%	5	10	15	33.3%	0	1	1	0.0%	4	7	11	36.4%	9	20	29	31.0%
1975	20	—	—	—	—	11	16	27	40.7%	—	—	—	—	1	1	2	50.0%	12	17	29	41.4%
1976	21	2	1	3	66.7%	9	12	21	42.9%	—	—	—	—	2	1	3	66.7%	13	14	27	48.1%
1977	22	—	—	—	—	15	17	32	46.9%	0	1	1	0.0%	1	2	3	33.3%	16	20	36	44.4%
1978	23	—	—	—	—	9	14	23	39.1%	3	3	6	50.0%	—	—	—	—	12	17	29	41.4%
1979	24	0	1	1	0.0%	1	4	5	20.0%	—	—	—	—	—	—	—	—	1	5	6	16.7%
1980	25	0	1	1	0.0%	8	11	19	42.1%	0	1	1	0.0%	0	1	1	0.0%	8	14	22	36.4%
1981	26	—	—	—	—	6	11	17	35.3%	—	—	—	—	—	—	—	—	6	11	17	35.3%
1982	27	—	—	—	—	2	2	4	50.0%	—	—	—	—	—	—	—	—	2	2	4	50.0%
1983	28	0	2	2	0.0%	1	2	3	33.3%	—	—	—	—	—	—	—	—	1	4	5	20.0%
1986	31	—	—	—	—	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%
Career	—	2	7	9	22.2%	68	102	170	40.0%	3	8	11	27.3%	8	12	20	40.0%	81	129	210	38.6%

Career Results by Opponent Rank

Belus Prajoux 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 %
1973	18	0	0	—	—	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%
1974	19	0	1	1	0.0%	0	1	1	0.0%	0	3	3	0.0%	0	0	—	—	0	5	5	0.0%
1975	20	0	0	—	—	0	1	1	0.0%	1	0	1	100.0%	2	1	3	66.7%	3	2	5	60.0%
1976	21	1	0	1	100.0%	0	0	—	—	0	1	1	0.0%	0	0	—	—	1	1	2	50.0%
1977	22	0	4	4	0.0%	0	5	5	0.0%	4	4	8	50.0%	1	0	1	100.0%	5	13	18	27.8%
1978	23	0	6	6	0.0%	1	2	3	33.3%	2	3	5	40.0%	0	0	—	—	3	11	14	21.4%
1979	24	0	1	1	0.0%	0	0	—	—	0	1	1	0.0%	0	0	—	—	0	2	2	0.0%
1980	25	1	3	4	25.0%	0	2	2	0.0%	3	3	6	50.0%	0	0	—	—	4	8	12	33.3%
1981	26	0	2	2	0.0%	0	2	2	0.0%	1	4	5	20.0%	0	0	—	—	1	8	9	11.1%
1982	27	0	0	—	—	0	0	—	—	1	0	1	100.0%	0	0	—	—	1	0	1	100.0%
1983	28	0	0	—	—	0	0	—	—	1	0	1	100.0%	0	0	—	—	1	0	1	100.0%
1986	31	0	0	—	—	0	0	—	—	0	0	—	—	0	1	1	0.0%	0	1	1	0.0%
Career		2	17	19	10.5%	1	13	14	7.1%	13	19	32	40.6%	3	3	6	50.0%	19	52	71	26.8%

Opponent ranking data available for 71/210 (33.8%) of Belus Prajoux's ATP main draw matches.

Advanced Stats

Belus Prajoux 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
1972	17	1466	97.0	—	—	—	—	—	—	—	28.6%	-1.14	0–1	—	—	+0.15
1973	18	1468	101.7	—	—	—	—	—	—	—	28.6%	-2.29	—	—	—	-0.18
1974	19	1478	117.4	—	—	—	—	+54	+59	—	36.4%	-1.00	1–5 (17%)	2–1 (67%)	—	+1.80
1975	20	1589	138.2	—	—	—	—	—	+17	—	42.9%	-0.21	4–4 (50%)	3–2 (60%)	103.6	+0.15
1976	21	1695	137.0	—	—	—	—	-80	-29	—	47.8%	-0.45	4–5 (44%)	5–4 (56%)	102.5	+0.55
1977	22	1677	144.0	—	—	—	—	-65	+21	—	50.6%	+0.06	1–9 (10%)	3–2 (60%)	92.8	-0.01
1978	23	1647	144.7	—	—	—	—	—	+39	-166	42.9%	-0.29	3–5 (38%)	1–5 (17%)	95.5	-1.02
1979	24	1603	117.6	—	—	—	—	—	+40	—	21.4%	-2.07	0–1	1–0	—	-0.52
1980	25	1619	134.4	—	—	—	—	—	+45	—	35.8%	-0.83	2–1 (67%)	2–5 (29%)	100.7	-1.14
1981	26	1593	123.7	—	—	—	—	—	+32	—	40.5%	-0.94	2–3 (40%)	1–1	—	-0.37
1982	27	1584	108.1	—	—	—	—	—	+33	—	60.0%	+0.70	0–2	0–1	—	+0.92
1983	28	1552	104.9	—	—	—	—	—	+63	—	18.2%	-2.18	1–0	—	—	+0.11
1986	31	1534	100.1	—	—	—	—	—	—	—	0.0%	-1.50	—	0–1	—	+0.18
Career		1730	141.0	—	—	—	—	+1	+25	-166	41.7%	-0.55	18–36 (33%)	18–22 (45%)	93.4	+0.30

Tournament Results by Category

Grand Slams

Belus Prajoux Grand Slams results by season
Season	Age	RG	W	USO	W-L Win %
1973	18	—	—	R128	0–1 (0%)
1974	19	R128	—	R128	0–2 (0%)
1975	20	R32	—	R128	2–2 (50%)
1976	21	R32	—	R128	2–2 (50%)
1977	22	R64	R128	R128	1–3 (25%)
1978	23	R64	R128	—	1–2 (33%)
1979	24	R128	—	—	0–1 (0%)
1980	25	R32	R128	—	2–2 (50%)
W-L		8–7 (53%)	0–3 (0%)	0–5 (0%)	8–15 (35%)

ATP 500

Belus Prajoux ATP 500 results by season
Season	Age	ITA	CAN	CAN	W-L Win %
1974	19	—	—	R32	1–1 (50%)
1975	20	R64	—	R64	0–2 (0%)
1976	21	R64	—	R32	1–2 (33%)
1978	23	R64	R64	—	0–2 (0%)
1981	26	R32	—	—	1–1 (50%)
W-L		1–4 (20%)	0–1 (0%)	2–3 (40%)	3–8 (27%)

ATP 250

Belus Prajoux ATP 250 results by season
Season	Age	SWE	BAR	BAS	BUE	CIN	EAS	FLR	GST	HAM	MAD	MUN	NAP	QUE	ITA	STG	STU	VIE	WAS	BAL	BER	BIR	BOG	BOR	BRU	CAI	CED	COL	DUS	DUT	JAC	JOH	KIN	LIT	LOU	MUR	NAN	NIC	NOR	OMA	PAL	PAR	QUI	ROA	SAL	SAO	SOU	ST.	TEM	U.S	VAL	VIN	W-L Win %
1972	17	—	—	—	R32	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	0–2 (0%)
1973	18	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1–1 (50%)
1974	19	R32	—	—	R32	R32	—	—	—	—	—	—	R64	—	—	—	—	—	R32	R16	—	QF	—	—	—	—	R32	—	—	R16	R16	—	—	R32	—	—	—	—	—	R16	—	R16	—	R16	R32	—	—	—	R32	R16	—	—	8–17 (32%)
1975	20	—	R16	—	R32	—	—	QF	—	—	R16	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	R32	—	—	—	SF	—	R64	—	—	R16	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	10–13 (43%)
1976	21	—	R64	—	R16	—	—	—	R32	R64	—	—	—	—	—	SF	—	—	—	—	QF	—	—	—	—	—	—	—	—	SF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	QF	—	—	—	R64	R64	—	10–10 (50%)
1977	22	—	R64	R32	QF	—	—	QF	R32	R16	R32	R32	—	—	R64	QF	—	—	—	—	R32	—	R32	—	R16	—	—	R16	—	R16	—	—	—	—	—	R32	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	15–17 (47%)
1978	23	—	R16	—	R32	—	—	R16	QF	—	R64	—	R64	R64	—	R32	QF	—	—	—	—	QF	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R16	—	—	R64	—	—	11–13 (46%)
1979	24	—	—	—	R32	—	—	R16	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1–4 (20%)
1980	25	—	—	—	R32	—	—	R32	—	—	—	—	—	—	—	R16	—	R32	R64	—	—	—	R32	—	R16	—	—	—	—	—	—	R32	—	—	—	—	—	—	R32	—	—	—	R16	—	—	R32	—	—	—	R16	—	—	6–12 (33%)
1981	26	—	R32	—	R32	—	—	R16	—	—	—	—	R32	—	—	—	—	—	R64	—	—	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R64	—	R32	—	—	—	—	—	—	—	—	R32	—	R16	5–10 (33%)
1982	27	—	—	—	QF	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	2–2 (50%)
1983	28	—	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	R32	—	—	—	—	—	—	—	—	—	—	—	—	R32	1–4 (20%)
1986	31	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	R32	—	—	—	—	0–1 (0%)
W-L		0–1 (0%)	4–6 (40%)	0–2 (0%)	5–10 (33%)	0–1 (0%)	0–1 (0%)	7–6 (54%)	2–3 (40%)	2–2 (50%)	3–4 (43%)	0–1 (0%)	3–5 (38%)	0–1 (0%)	0–1 (0%)	5–5 (50%)	2–1 (67%)	0–1 (0%)	1–3 (25%)	0–1 (0%)	2–2 (50%)	4–2 (67%)	0–2 (0%)	0–1 (0%)	3–2 (60%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	5–4 (56%)	1–1 (50%)	0–2 (0%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	0–1 (0%)	3–2 (60%)	2–3 (40%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	1–1 (50%)	0–1 (0%)	1–1 (50%)	2–2 (50%)	1–1 (50%)	0–1 (0%)	0–1 (0%)	5–5 (50%)	2–2 (50%)	1–3 (25%)	70–106 (40%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Career high

Career-high date

Apr 4, 1977

First Top 100

Dec 13, 1976

First Top 50

—

First Top 20

—

First Top 10

—

Ranking History Matrix

Belus Prajoux ranking history by month and season
Season	Age	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	18	—	—	—	—	—	—	—	162	193	191	205	207
1974	19	—	—	200	202	204	181	191	139	112	—	114	116
1975	20	115	—	117	124	125	127	—	—	—	—	—	138
1976	21	—	—	—	—	—	145	—	—	—	—	—	66
1977	22	70	71	70	68	69	77	87	—	—	—	—	—
1978	23	126	—	—	—	—	99	87	—	—	95	87	111
1979	24	—	—	—	—	—	—	—	97	98	92	—	111
1980	25	—	—	—	—	—	93	—	—	—	—	—	154
1983	28	172	—	—	—	—	—	—	—	—	—	—	—
1984	29	377	—	—	—	—	379	669	692	678	739	480	496
1985	30	495	422	423	380	382	376	388	388	362	354	394	391
1986	31	390	386	395	443	441	429	462	453	585	585	556	567
1987	32	569	754	748	775	781	796	807	920	920	941	—	—

Similar Players

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

Belus Prajoux's most statistically similar ATP players
Player	Country	Peak Rank	Peak Elo	M	W	L	Win %	Years	Match Log
Jim Delaney	USA	64	1,678	209	78	131	37.3%	1972–1982	Match log
Ferdi Taygan	USA	59	1,745	195	74	121	37.9%	1973–1983	Match log
Mike Cahill	USA	58	1,727	256	100	156	39.1%	1974–1983	Match log
Gilles Moretton	FRA	65	1,735	148	59	89	39.9%	1977–1983	Match log
Rick Fagel	USA	60	1,615	146	47	99	32.2%	1972–1983	Match log
Jiri Granat	CZE	68	1,653	105	38	67	36.2%	1975–1983	Match log
Drew Gitlin	USA	65	1,663	82	34	48	41.5%	1981–1985	Match log
Eric Deblicker	FRA	65	1,739	155	66	89	42.6%	1971–1982	Match log
Jean Louis Haillet	FRA	68	1,668	140	48	92	34.3%	1972–1983	Match log
Robin Drysdale	GBR	60	1,618	112	35	77	31.3%	1972–1981	Match log
Stanislav Birner	CZE	60	1,720	182	63	119	34.6%	1977–1988	Match log
Tom Cain	USA	70	1,650	110	43	67	39.1%	1980–1986	Match log

Frequently Asked Questions

How old is Belus Prajoux?: Belus Prajoux is 71 years old, born on February 27, 1955.
Which country does Belus Prajoux represent?: Belus Prajoux represents Chile in TennisDB's ATP records.
How tall is Belus Prajoux?: Belus Prajoux is 170 cm / 5'7".
Is Belus Prajoux left-handed or right-handed?: Belus Prajoux plays right-handed.
How many Grand Slams has Belus Prajoux won?: Belus Prajoux has not won a Grand Slam title.
How many Masters 1000 titles has Belus Prajoux won?: TennisDB does not group any of Belus Prajoux's titles under the modern Masters 1000 category.
What is Belus Prajoux's highest ATP ranking?: Belus Prajoux's career-high ATP singles ranking is world No. 62, first achieved on April 4, 1977.
What is Belus Prajoux's career win-loss record?: Belus Prajoux has a career ATP singles record of 81 wins and 129 losses (38.6%).
How much career prize money has Belus Prajoux earned?: Belus Prajoux has earned at least $7,084 in career prize money from professional tennis.
Which seasons of Belus Prajoux's career appear in TennisDB?: Belus Prajoux appears in TennisDB's ATP main-tour match records from 1972 through 1986.
On which surface does Belus Prajoux have the highest recorded win rate?: Among surfaces with at least 20 recorded matches, Belus Prajoux's highest ATP main-draw win rate is on clay: 40.0% (68–102).
Who has Belus Prajoux faced most often?: Belus Prajoux's most frequent opponent is Jaime Fillol, with a head-to-head record of 1–7 across 8 meetings.