Site data updated: 2026-05-28 18:14 UTC

Heinz Gunthardt#57 def. Deon Joubert#97

7-6 5-7 6-4

Match Information

Date	Aug 23, 1979*
Tournament	Boston
Category	ATP 250
Surface	Clay
Round	R32
Winner	Heinz Gunthardt
Score	7-6 5-7 6-4
Loser	Deon Joubert

No match stats are available for this match.

Pre-match Comparison

Field	Heinz Gunthardt	Deon Joubert
Country	SUI	RSA
Birth date	Feb 8, 1959	Jun 10, 1953
Age	20	26
Height	180	—
Handedness	Right-Handed	Left-Handed
Backhand style	—	—
Ranking (entering)	57	97
Ranking points (entering)	0	0
Elo (entering)	1,774	1,550
Career W-L	225–189	39–76
Career earnings	$1,550,007	—

Pre-match H2H

Heinz Gunthardt 0 – 0 Deon Joubert

Path

Heinz Gunthardt's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 22, 1979	R64	Peter Campbell	6-4 6-3	W	H2H	Match data

Heinz Gunthardt's next match

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 24, 1979	R16	Manuel Orantes	6-3 6-4	L	H2H	Match data

Deon Joubert's path

Date	Round	Opponent	Score	W/L	H2H	Match data
Aug 22, 1979	R64	Mark Edmondson	6-2 6-1	W	H2H	Match data