Boys' singles
2003 French Open
Final
Champion	Stanislas Wawrinka
Runner-up	Brian Baker
Score	7–5, 4–6, 6–3
Events
Singles men women boys girls Doubles men women mixed boys girls WC Singles men women quad WC Doubles men women quad Legends −45 45+ women
← 2002 · French Open · 2004 →

In the 2003 French Open tennis tournament, the boys' singles competition was won by Stan Wawrinka of Switzerland.

	Quarterfinals							Semifinals							Final
	1	Marcos Baghdatis	4	5
	6	Brian Baker	6	7
								6	Brian Baker	6	6
								4	Jo-Wilfried Tsonga	3	3
	4	Jo-Wilfried Tsonga	3	79	7
	7	Daniel Gimeno Traver	6	67	5
															6	Brian Baker	5	6	3
															5	Stanislas Wawrinka	7	4	6
	5	Stanislas Wawrinka	6	6
	3	Dudi Sela	3	4
								5	Stanislas Wawrinka	6	6
								2	Nicolás Almagro	4	2
	8	Mathieu Montcourt	5	5
	2	Nicolás Almagro	7	7

	First round							Second round							Third round							Quarterfinals
	1	Marcos Baghdatis	6	6
	WC	Antoine Benneteau	0	1				1	M Baghdatis	7	6
		Horia Tecău	4	7	5			Q	A Kuznetsov	5	3
	Q	Alex Kuznetsov	6	5	7										1	M Baghdatis	6	6
		Gaël Monfils	6	7											14	A Murray	3	1
	Q	Fritz Wolmarans	3	5					G Monfils	4	1
		Brendan Evans	4	5				14	A Murray	6	6
	14	Andy Murray	6	7																		1	M Baghdatis	4	5
	10	György Balázs	6	6																		6	B Baker	6	7
	Q	Eric Scherer	4	3				10	G Balázs	6	6
		Jaime Cuéllar	4	4				WC	S Louis	4	3
	WC	Sebastien Louis	6	6											10	G Balázs	77	4	1
		Roman Kutáč	6	2	6										6	B Baker	65	6	6
		Kim Sun-yong	2	6	1				R Kutáč	1	1
		Sergiy Stakhovsky	2	7	1			6	B Baker	6	6
	6	Brian Baker	6	6	6

	First round							Second round							Third round							Quarterfinals
	4	Jo-Wilfried Tsonga	7	7
		Kamil Čapkovič	6	6				4	J-W Tsonga	6	6
		Phillip Simmonds	3	2				LL	P Figueroa	3	2
	LL	Pablo Figueroa	6	6											4	J-W Tsonga	6	6
		Frederico Gil	7	4	3											D Brewer	4	4
		David Brewer	6	6	6				D Brewer	6	65	6
		Somdev Devvarman	1	6	4			16	L Kirche	4	77	4
	16	Leonardo Kirche	6	3	6																	4	J-W Tsonga	3	79	7
	12	Chris Guccione	7	7																		7	D Gimeno Traver	6	67	5
		Lado Chikhladze	6	5				12	C Guccione	4	7	4
	Q	Novak Djokovic	7	6				Q	N Djokovic	6	5	6
	Q	Jesse Huta Galung	5	3											Q	N Djokovic	2	6	3
		Andreas Weber	6	6	6										7	D Gimeno Traver	6	2	6
	WC	Eddy Chala	7	4	1				A Weber	2	2
		Adam Fass	3	4				7	D Gimeno Traver	6	6
	7	Daniel Gimeno Traver	6	6

	First round							Second round							Third round							Quarterfinals
	5	Stanislas Wawrinka	6	6	6
		Josselin Ouanna	7	2	3			5	S Wawrinka	6	6
	Q	Konstantin Kravchuk	6	6				Q	K Kravchuk	4	1
		Adam Feeney	2	4											5	S Wawrinka	6	6
		Mischa Zverev	3	6	6										9	F Mergea	4	2
		Suk Hyun-joon	6	3	1				M Zverev	3	77	5
		Romano Tatuhey	6	2	4			9	F Mergea	6	62	7
	9	Florin Mergea	4	6	6																	5	S Wawrinka	6	6
	13	Chris Kwon	2	1																		3	D Sela	3	4
		Rok Jarc	6	6					R Jarc	4	6	3
	WC	Julien Gely	6	6	6			WC	J Gely	6	2	6
	Q	Peter Steinberger	7	3	4										WC	J Gely	2	4
		Devin Mullings	6	6	6										3	D Sela	6	6
		Josh Goodall	7	4	4				D Mullings	1	1
	WC	Alexis Benyahia	2	0				3	D Sela	6	6
	3	Dudi Sela	6	6

	First round							Second round							Third round							Quarterfinals
	8	Mathieu Montcourt	6	6
		Jamie Baker	2	2				8	M Montcourt	6	6
		Jerome Becker	7	3	2				J Aguilar	1	4
		Jorge Aguilar	6	6	6										8	M Montcourt	6	6
	Q	Vilim Višak	3	2											WC	C Mokaiesch	2	4
		Jarrett Chirico	6	6					J Chirico	4	2
	WC	Cyril Mokaiesch	6	6				WC	C Mokaiesch	6	6
	11	Bruno Rosa	3	3																		8	M Montcourt	5	5
	15	Luis Flores	6	6																		2	N Almagro	7	7
		Robert Cameron	3	2				15	L Flores	6	6
	WC	Jean Baptiste Robin	4	5					H Abid	1	2
		Haithem Abid	6	7											15	L Flores	2	1
		Adrian Ungur	6	7											2	N Almagro	6	6
	WC	Paterne Mamata	3	5					A Ungur	1	6	5
		Rafael Arévalo	3	0				2	N Almagro	6	4	7
	2	Nicolás Almagro	6	6

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