Men's doubles
2003 AIG Japan Open Tennis Championships
Champions	Justin Gimelstob Nicolas Kiefer
Runners-up	Scott Humphries Mark Merklein
Score	6–7(6–8), 6–3, 7–6(7–4)

Jeff Coetzee and Chris Haggard were the defending champions but lost in the first round to Jiří Novák and Petr Pála.

Justin Gimelstob and Nicolas Kiefer won in the final 6–7^(6–8), 6–3, 7–6^(7–4) against Scott Humphries and Mark Merklein.

Seeds

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

	First round							Quarterfinals							Semifinals							Final
	1	W Arthurs P Hanley	4	4
	WC	S Iwabuchi J Kato	6	6				WC	S Iwabuchi J Kato	6	6
		J-M Gambill B Vahaly	63	65					Y Allegro P Luxa	2	2
		Y Allegro P Luxa	77	77											WC	S Iwabuchi J Kato	3	4
	4	J Erlich A Ram	1	6	611											J Gimelstob N Kiefer	6	6
		T Perry J Thomas	6	4	713				T Perry J Thomas	4	3
		J Gimelstob N Kiefer	6	7					J Gimelstob N Kiefer	6	6
		A Kratzmann J van Lottum	2	5																			J Gimelstob N Kiefer	66	6	77
		L Burgsmüller R Schüttler	3	4																			S Humphries M Merklein	78	3	64
		S Humphries M Merklein	6	6					S Humphries M Merklein	6	77
		J Kerr M Wakefield	4	6	3			3	R Leach B MacPhie	3	63
	3	R Leach B MacPhie	6	3	6											S Humphries M Merklein	2	6	6
		M García G Oliver	6	5	77											J Novák P Pála	6	2	3
	WC	T Shimada T Suzuki	4	7	63				M García G Oliver	4	1
		J Novák P Pála	6	7					J Novák P Pála	6	6
	2	J Coetzee C Haggard	2	5

External links

• 2003 AIG Japan Open Tennis Championships Men's Doubles Draw