W-L: 3-7 (30.00%)

Date	Tournament	Surface	Round	Wrk	Winner	Lrk	Loser	Score
2023-08-28	US Open	Hard	R64	89	Michael Mmoh	157	John Isner	3-6 4-6 7-6(3) 6-4 7-6(7)
2023-08-28	US Open	Hard	R128	157	John Isner	94	Facundo Diaz Acosta	6-4 6-3 7-6(1)
2023-08-14	Cincinnati Masters	Hard	R64	55	Jordan Thompson	106	John Isner	7-6(5) 7-6(2)
2023-07-31	Los Cabos	Hard	R32	114	John Isner	110	Rinky Hijikata	6-2 7-6(4)
2023-07-31	Los Cabos	Hard	R16	5	Stefanos Tsitsipas	114	John Isner	6-2 6-4
2023-07-24	Atlanta	Hard	R32	88	Dominik Koepfer	103	John Isner	3-6 7-6(4) 7-6(3)
2023-03-20	Miami Masters	Hard	R128	182	Emilio Nava	46	John Isner	7-6(5) 7-6(4)
2023-03-06	Indian Wells Masters	Hard	R128	48	Brandon Nakashima	39	John Isner	7-6(7) 6-3
2023-02-27	Acapulco	Hard	R32	5	Taylor Fritz	38	John Isner	3-6 6-3 6-4
2023-02-06	Dallas	Hard	SF	39	John Isner	43	J.J. Wolf	3-6 7-5 7-6(4)

John Isner

W-L: 3-7 (30.00%)

Matches — Level: Grand Slams · Surface: Hard

Date ▼	Tourney	Surface	Round	Wrk	Winner	Lrk	Loser	Score	H2H	BoF	Min	WA	WDF	W1stIn	W1st%	W2nd%	BPSvd
2023-08-28	US Open	Hard	R64	89	Michael Mmoh (WC)	157	John Isner (WC)	3-6 4-6 7-6(3) 6-4 7-6(7)	H2H	5	237	19	5	71.9%	79.1%	62.2%	3/5
2023-08-28	US Open	Hard	R128	157	John Isner (WC)	94	Facundo Diaz Acosta	6-4 6-3 7-6(1)	H2H	5	156	11	0	63.9%	79.2%	83.3%	0/0
2023-08-14	Cincinnati Masters	Hard	R64	55	Jordan Thompson (Q)	106	John Isner (WC)	7-6(5) 7-6(2)	H2H	3	118	5	3	56.8%	88.1%	62.5%	1/1
2023-07-31	Los Cabos	Hard	R16	5	Stefanos Tsitsipas (1)	114	John Isner	6-2 6-4	H2H	3	77	8	1	68.1%	87.5%	60.0%	1/1
2023-07-31	Los Cabos	Hard	R32	114	John Isner	110	Rinky Hijikata	6-2 7-6(4)	H2H	3	114	19	2	70.3%	75.6%	57.9%	6/7
2023-07-24	Atlanta	Hard	R32	88	Dominik Koepfer	103	John Isner (SE)	3-6 7-6(4) 7-6(3)	H2H	3	140	4	1	63.6%	84.1%	66.7%	6/7
2023-03-20	Miami Masters	Hard	R128	182	Emilio Nava (WC)	46	John Isner	7-6(5) 7-6(4)	H2H	3	107	6	5	60.2%	78.0%	69.7%	0/0
2023-03-06	Indian Wells Masters	Hard	R128	48	Brandon Nakashima	39	John Isner	7-6(7) 6-3	H2H	3	98	6	1	69.6%	85.4%	66.7%	2/2
2023-02-27	Acapulco	Hard	R32	5	Taylor Fritz (3)	38	John Isner	3-6 6-3 6-4	H2H	3	113	4	2	66.3%	85.5%	39.3%	3/4
2023-02-06	Dallas	Hard	SF	39	John Isner (5)	43	J.J. Wolf (6)	3-6 7-5 7-6(4)	H2H	3	151	31	2	69.6%	80.3%	54.8%	7/8