2003 US Open – Boys' singles

Richard Gasquet was the defending champion, but did not compete in the juniors that year.

Boys' singles
2003 US Open
Champion	Jo-Wilfried Tsonga
Runner-up	Marcos Baghdatis
Score	7–6(7–4), 6–3

Main article: 2003 US Open (tennis)

Jo-Wilfried Tsonga won the tournament, defeating Marcos Baghdatis in the final, 7–6^(7–4), 6–3.

Seeds

1. Marcos Baghdatis (final)
2. Florin Mergea (semifinals)
3. Brian Baker (quarterfinals)
4. Dudi Sela (semifinals)
5. Jo-Wilfried Tsonga (champion)
6. Daniel Gimeno-Traver (third round)
7. Mathieu Montcourt (quarterfinals)
8. Chris Guccione (third round)
9. Sebastian Rieschick (third round)
10. Chris Kwon (first round)
11. Bruno Rosa (second round)
12. Andy Murray (quarterfinals)
13. Fred Gil (third round)
14. Luis-Manuel Flores (third round)
15. Leonardo Kirche (second round)
16. Suk Hyun-joon (second round)

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

	Quarterfinals							Semifinals							Final
	1	Marcos Baghdatis	6	77
	WC	Scoville Jenkins	1	64
								1	Marcos Baghdatis	6	6
								4	Dudi Sela	2	1
	4	Dudi Sela	6	3	6
	7	Mathieu Montcourt	4	6	4
															1	Marcos Baghdatis	64	3
															5	Jo-Wilfried Tsonga	77	6
	5	Jo-Wilfried Tsonga	6	77
	3	Brian Baker	3	62
								5	Jo-Wilfried Tsonga	6	6
								2	Florin Mergea	4	4
	12	Andy Murray	1	5
	2	Florin Mergea	6	7

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
	1	Marcos Baghdatis	4	6	77
		Adam Feeney	6	3	61			1	M Baghdatis	6	6
		Mischa Zverev	6	6					M Zverev	1	2
		Robert Cameron	2	2											1	M Baghdatis	6	6
		Julien Gely	1	6	6										13	F Gil	4	0
		Jamie Baker	6	4	2				J Gely	3	6	4
		Somdev Devvarman	77	65	5			13	F Gil	6	1	6
	13	Fred Gil	62	77	7																	1	M Baghdatis	6	77
	11	Bruno Rosa	6	66	6																	WC	S Jenkins	1	64
		Jaime Cuellar	3	78	1			11	B Rosa	3	2
	Q	Konstantin Kravchuk	4	6	2			WC	S Jenkins	6	6
	WC	Scoville Jenkins	6	4	6										WC	S Jenkins	4	6	7
		Brendan Evans	5	6	6										6	D Gimeno-Traver	6	1	5
		G.D. Jones	7	3	4				B Evans	6	4	3
	Q	Ruben Gonzales	4	4				6	D Gimeno-Traver	3	6	6
	6	Daniel Gimeno-Traver	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
	4	Dudi Sela	6	6
	LL	Eric Scherer	3	3				4	D Sela	6	6
	Q	Horacio Zeballos	77	6				Q	H Zeballos	1	2
	WC	Gary Sacks	64	4											4	D Sela	6	6
		Robert Smeets	6	77												R Smeets	3	2
		Novak Djokovic	4	63					R Smeets	6	6
		Divij Sharan	6	4	4			16	H-j Suk	1	1
	16	Suk Hyun-joon	4	6	6																	4	D Sela	6	3	6
	10	Chris Kwon	62	5r																		7	M Montcourt	4	6	4
		Jerome Becker	77	5					J Becker	6	64	4
		Fritz Wolmarans	6	6					F Wolmarans	2	77	6
		Jose-Luis Muguruza	2	1												F Wolmarans	5	4
	WC	Michael Shabaz	1	4											7	M Montcourt	7	6
		Alex Kuznetsov	6	6					A Kuznetsov	6	4	3
		Mehdi Ziadi	2	4				7	M Montcourt	3	6	6
	7	Mathieu Montcourt	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
	5	Jo-Wilfried Tsonga	6	4	6
	WC	Denis Zivkovic	3	6	4			5	J-W Tsonga	6	6
		Lado Chikhladze	63	67					J Goodall	3	4
		Josh Goodall	77	79											5	J-W Tsonga	77	6
		Nestor Briceno	4	3											9	S Rieschick	62	4
	WC	Vahid Mirzadeh	6	6				WC	V Mirzadeh	1	0
		Kim Sun-yong	2	2				9	S Rieschick	6	6
	9	Sebastian Rieschick	6	6																		5	J-W Tsonga	6	77
	14	Luis-Manuel Flores	6	6																		3	B Baker	3	62
	WC	Timothy Neilly	0	4				14	L-M Flores	77	1	6
	WC	Robert Yim	6	6				WC	R Yim	64	6	1
	Q	Fabio Fognini	0	3											14	L-M Flores	6	4	4
	Q	Gaël Monfils	6	6											3	B Baker	4	6	6
	Q	Miles Kasiri	4	2				Q	G Monfils	4	2
		Juan-Pablo Amado	1	1				3	B Baker	6	6
	3	Brian Baker	6	6

Section 4

	First round							Second round							Third round							Quarterfinals
	8	Chris Guccione	6	5	711
		Romano Tatuhey	4	7	69			8	C Guccione	713	6
		Matthias Wellermann	3	6	4				J Ouanna	611	4
		Josselin Ouanna	6	4	6										8	C Guccione	64	6	2
		Scott Oudsema	6	6											12	A Murray	77	4	6
		Aleksey Malajko	4	1					S Oudsema	4	4
	Q	Phillip Simmonds	79	4	3			12	A Murray	6	6
	12	Andy Murray	67	6	6																	12	A Murray	1	5
	15	Leonardo Kirche	6	4	6																	2	F Mergea	6	7
		Devin Mullings	3	6	1			15	L Kirche	4	4
	WC	Jamil Al Agba	2	77	6			WC	J Al Agba	6	6
	Q	Jesse Huta Galung	6	65	2										WC	J Al Agba	1	6	3
		Adam Fass	6	4	6										2	F Mergea	6	3	6
		Karan Rastogi	3	6	0				A Fass	5	1
		Rafael Arévalo	2	0				2	F Mergea	7	6
	2	Florin Mergea	6	6

Sources

• Draw