Leonardo Lavalle defeated Eduardo Vélez in the final, 6–4, 6–4 to win the boys' singles tennis title at the 1985 Wimbledon Championships.^[1]

Click on the seed number of a player to go to their draw section.

	Quarterfinals							Semifinals							Final
	1	Leonardo Lavalle	5	6	6
		Tim Trigueiro	7	3	1
								1	Leonardo Lavalle	2	6	6
								3	Jaime Yzaga	6	2	3
	3	Jaime Yzaga	4	6	7
		Grant Saacks	6	1	5
															1	Leonardo Lavalle	6	6
																Eduardo Vélez	4	4
	16	Felix Barrientos	4	6	6
		Javier Sánchez	6	4	3
								16	Felix Barrientos	6	0
									Eduardo Vélez	7	6
	8	João Silva	5	3
		Eduardo Vélez	7	6

	First round							Second round							Third round							Quarterfinals
	1	Leonardo Lavalle	6	6
		Ryuso Tsujino	2	2				1	L Lavalle	6	6
		Thanakorn Srichaphan	6	6					T Srichaphan	4	0
		Pang Lui	2	1											1	L Lavalle	6	6
		Eoin Collins	3	4											14	S Matsuoka	3	2
		David Ison	6	6					D Ison	3	3
		Florentino Anda	6	4				14	S Matsuoka	6	6
	14	Shuzo Matsuoka	7	6																		1	L Lavalle	5	6	6
	12	Claudio Pistolesi	6	3																			T Trigueiro	7	3	1
		Tim Trigueiro	7	6					T Trigueiro	6	6
		Mihnea-Ion Năstase	6	6					M-I Năstase	4	4
		Nicholas Jones	3	3												T Trigueiro	6	6
		Richard Whichello	4	6	6										7	F Davín	1	4
		Igor Šarić	6	3	0				R Whichello	6	2	1
		Mark Kaplan	2	6	4			7	F Davín	3	6	6
	7	Franco Davín	6	4	6

	First round							Second round							Third round							Quarterfinals
	3	Jaime Yzaga	6	6
		Christopher Peet	1	1				3	J Yzaga	6	6
		Cyril Suk	3	1					M van Eekeren	3	3
		Marc van Eekeren	6	6											3	J Yzaga	6	7	6
		Woraphol Thongkhamchu	2	4												P Korda	7	5	2
		Petr Korda	6	6					P Korda	6	1	6
		Augosto Solano	0	3				11	J Blake	4	6	1
	11	Joey Blake	6	6																		3	J Yzaga	4	6	7
	13	Guillermo Pérez Roldán	6	6																			G Saacks	6	1	5
		Rolf Harrison	4	3				13	G Pérez Roldán	6	6	2
		Grant Saacks	6	7					G Saacks	7	3	6
		Nicolás Pereira	4	5												G Saacks	6	6
		Kester Ng	6	2	4											J-s Kim	1	3
		Kim Jae-sik	4	6	6				J-s Kim	6	3	6
		Wojciech Kowalski	6	6					W Kowalski	2	6	3
	6	Agustín Moreno	4	4

	First round							Second round							Third round							Quarterfinals
	5	Patrick Flynn	6	6	2
		Veli Paloheimo	3	7	6				V Paloheimo	6	6
		Marcelo Filippini	3	5					S Grenier	3	4
		Stéphane Grenier	6	7												V Paloheimo	2	4
		Rubén Gajardo	4	0											16	F Barrientos	6	6
		Chris Garner	6	6					C Garner	5	6	0
		Brent Haygarth	6	3	4			16	F Barrientos	7	4	6
	16	Felix Barrientos	1	6	6																	16	F Barrientos	4	6	6
	9	Brett Custer	4	7	7																		J Sánchez	6	4	3
		Darryl Shapiro	6	6	5			9	B Custer	6	6
		Nick Brendtsen	7	2	2				K Braasch	2	3
		Karsten Braasch	6	6	6										9	B Custer	7	3	5
		Graham Cohen	2	3												J Sánchez	6	6	7
		Javier Sánchez	6	6					J Sánchez	4	7	6
		David Engel	1	7	6				D Engel	6	5	3
	4	Jason Goodall	6	5	1

	First round							Second round							Third round							Quarterfinals
	8	João Silva	6	6
		Austen Brice	1	4				8	J Silva	6	6	6
		Zeeshan Ali	3	1					R Hertzog	2	7	1
		Rolf Hertzog	6	6											8	J Silva	6	7
		Eduardo Furusho	6	6											10	J Boytim	2	6
		Joseph Lizardo	1	2					E Furusho	3	4
		Buff Farrow	6	6				10	J Boytim	6	6
	10	John Boytim	7	7																		8	J Silva	5	3
	15	Sergio Cortés	4	4																			E Vélez	7	6
		François Errard	6	6					F Errard	6	6	10
		Ugo Colombini	6	6					U Colombini	4	7	12
		Hari Aiyar	4	2												U Colombini	4	4
		Alain Meeus	3	6	10											E Vélez	6	6
		Zubin Irani	6	4	8				A Meeus	2	3
		Eduardo Vélez	5	6	6				E Vélez	6	6
	2	Christer Allgårdh	7	4	3

• Source for the draw at Wimbledon.com
• "The Junior Championships, Wimbledon 1985". International Tennis Federation. Retrieved 13 December 2017.