1978 French Open – Mixed doubles

John McEnroe and Mary Carillo were the defending champions but both players chose not to participate.

Mixed doubles
1978 French Open
Champion	Pavel Složil Renáta Tomanová
Runner-up	Patrice Dominguez Virginia Ruzici
Score	7–6, retired

Main article: 1978 French Open

Virginia Ruzici, the winner of the women's singles and the women's doubles titles, reached the mixed doubles final, which she lost to Pavel Složil and Renáta Tomanová when her partner Patrice Dominguez retired with an injury. ^[1]

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
		Paul McNamee Diane Evers	3	6	4
		Pavel Složil Renáta Tomanová	6	2	6
									Pavel Složil Renáta Tomanová	7
									Patrice Dominguez Virginia Ruzici	6r
		William Lloyd Patricia Bostrom	3	6	5
		Patrice Dominguez Virginia Ruzici	6	3	7

Top half

	First round							Second round							Quarterfinals							Semifinals
		C Lewis H Anliot	7	6
		A Jumatano D Fiúza	5	2					C Lewis H Anliot	6	6
									P Hagelauer M-H Thibault	4	2
																C Lewis H Anliot	3	7	2
		P McNamee D Evers	6	6												P McNamee D Evers	6	6	6
		G Aubone M Voyame	4	1					P McNamee D Evers	6	6	6
		A Hartmann E Rapponi							P Beust G Benedetti	1	7	3
		P Beust G Benedetti	w/o																				P McNamee D Evers	3	6	4
																							P Složil R Tomanová	6	2	6
									É Deblicker R Maršíková	6	6
		J Lovera L Bowrey	6	7					J Lovera L Bowrey	1	3
		H Roverano B Villaverde	4	6												É Deblicker R Maršíková	2	4
																P Složil R Tomanová	6	6
									D Naegelen R Giscafré	1	1
		F Dalla Fontana C Casabianca	4	3					P Složil R Tomanová	6	6
		P Složil R Tomanová	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
		R Ycaza F Bonicelli	7	7
		T Vázquez E Weisenberger	5	5					R Ycaza F Bonicelli	5	1
		W Lloyd P Bostrom	6	6					W Lloyd P Bostrom	7	6
		J Reyes R Darmon	1	4												W Lloyd P Bostrom	3	6	7
		P Joly A-M Nasuelli	6	6												V Pecci P Teeguarden	6	3	5
		J Ganzábal M Rodríguez	4	3					P Joly A-M Nasuelli	1	2
									V Pecci P Teeguarden	6	6
																							W Lloyd P Bostrom	3	6	5
		I Molina B Nagelsen	6	6																			P Dominguez V Ruzici	6	3	7
		D Bedel M Bureau	2	3					I Molina B Nagelsen	4	4
		E Bengoechea P Gomez	3	4					Y Noah B Simon	6	6
		Y Noah B Simon	6	6												Y Noah B Simon	4	4
		JL Damiani I Madruga	4	7	6											P Dominguez V Ruzici	6	6
		O Laimina D Beillan	6	6	8				O Laimina D Beillan	3	0
									P Dominguez V Ruzici	6	6