2023-07-31

Los Cabos - Hard - R16

Borna Coric (#15)
def
Jason Jung (#276)
6-1 6-2

2023-07-31

Los Cabos - Hard - R32

Jason Jung (#276)
def
Ernesto Escobedo (#377)
3-6 7-6(5) 6-2

2023-07-24

Atlanta - Hard - R32

John Wolf Jeffrey (#46)
def
Jason Jung (#281)
6-2 6-1

2022-09-17

Davis Cup WG2 R1: TPE vs HKG - Hard - RR

Coleman Wong (#)
def
Jason Jung (#449)
1-6 6-4 7-6(8)

2021-07-19

Los Cabos - Hard - R32

Evgeny Donskoy (#157)
def
Jason Jung (#159)
6-1 6-4

2021-07-12

Newport - Grass - QF

Alexander Bublik (#37)
def
Jason Jung (#163)
6-2 6-4

2021-07-12

Newport - Grass - R16

Jason Jung (#163)
def
Tennys Sandgren (#78)
6-2 6-2

2021-07-12

Newport - Grass - R32

Jason Jung (#163)
def
Brayden Schnur (#248)
7-5 6-7(1) 7-6(4)

2021-02-22

Singapore - Hard - R32

Maxime Cressy (#156)
def
Jason Jung (#143)
7-6(4) 6-2

2020-10-26

Vienna - Hard - R32

Daniil Medvedev (#6)
def
Jason Jung (#127)
6-3 6-1

2020-09-28

Roland Garros - Clay - R128

Federico Coria (#99)
def
Jason Jung (#125)
7-5 7-6(6) 7-6(3)

2020-08-31

US Open - Hard - R128

Federico Coria (#103)
def
Jason Jung (#122)
2-6 4-6 6-4 6-1 2-0 RET

2020-02-24

Acapulco - Hard - R32

Alexander Zverev (#7)
def
Jason Jung (#119)
7-6(6) 6-1

2020-02-17

Delray Beach - Hard - R32

Noah Rubin (#269)
def
Jason Jung (#119)
6-3 4-3 RET

2020-02-10

New York - Hard - SF

Andreas Seppi (#98)
def
Jason Jung (#131)
6-3 6-2

2020-02-10

New York - Hard - QF

Jason Jung (#131)
def
Reilly Opelka (#40)
5-7 6-4 6-4

2020-02-10

New York - Hard - R16

Jason Jung (#131)
def
Cameron Norrie (#59)
6-4 6-4

2020-02-10

New York - Hard - R32

Jason Jung (#131)
def
Kevin Anderson (#120)
7-6(6) 6-4

2019-09-23

Chengdu - Hard - R32

Bradley Klahn (#97)
def
Jason Jung (#132)
4-6 6-3 7-6(2)

2019-09-14

Davis Cup G2 R1: TPE vs HKG - Hard - RR

Jason Jung (#132)
def
Chak Lam Coleman Wong (#)
6-1 6-2

2019-07-29

Los Cabos - Hard - R32

Ernests Gulbis (#129)
def
Jason Jung (#134)
6-4 7-6(2)

2019-07-22

Atlanta - Hard - R32

Daniel Evans (#55)
def
Jason Jung (#138)
6-1 6-1

2019-07-15

Newport - Grass - R32

Viktor Troicki (#167)
def
Jason Jung (#127)
3-6 7-5 7-5

2019-02-18

Delray Beach - Hard - R32

Steve Johnson (#34)
def
Jason Jung (#131)
7-6(3) 6-4

2019-02-11

New York - Hard - QF

Sam Querrey (#49)
def
Jason Jung (#143)
6-3 3-6 6-3

2019-02-11

New York - Hard - R16

Jason Jung (#143)
def
Frances Tiafoe (#29)
6-3 7-5

2019-02-11

New York - Hard - R32

Jason Jung (#143)
def
Ramkumar Ramanathan (#128)
6-3 3-6 6-1

2018-09-24

Shenzhen - Hard - R32

Fernando Verdasco (#28)
def
Jason Jung (#122)
6-3 6-2

2018-07-16

Newport - Grass - QF

Tim Smyczek (#123)
def
Jason Jung (#131)
6-1 5-7 6-4

2018-07-16

Newport - Grass - R16

Jason Jung (#131)
def
Nicolas Mahut (#134)
6-4 6-4

2018-07-16

Newport - Grass - R32

Jason Jung (#131)
def
Sergiy Stakhovsky (#116)
6-4 3-6 6-3

2018-07-02

Wimbledon - Grass - R128

Benoit Paire (#47)
def
Jason Jung (#155)
7-5 7-6(1) 6-4

2017-07-31

Los Cabos - Hard - R32

Adrian Mannarino (#42)
def
Jason Jung (#167)
6-3 6-3

2017-06-12

s Hertogenbosch - Grass - R32

Ernesto Escobedo (#77)
def
Jason Jung (#163)
6-4 6-2

2017-02-17

Davis Cup G1 R1: TPE vs CHN - Hard - RR

Yibing Wu (#927)
def
Jason Jung (#168)
6-1 4-6 5-7 7-6(9) 4-1 RET