| Challenger - Monterrey | 03/10 21:00 | 27 | [278] Prajnesh Gunneswaran v Jason Jung [223] | 1-6,7-5,6-4 | |
| Challenger - Monterrey | 03/09 18:00 | 26 | [461] Evan Zhu v Jason Jung [223] | 2-6,5-7 | |
| Challenger - Monterrey | 03/08 22:50 | 25 | Strong Kirchheimer v Jason Jung | 4-6,1-6 | |
| ATP - Delray Beach | 02/13 20:10 | 19 | [121] Liam Broady v Jason Jung [171] | 6-4,6-4 | |
| ATP - Delray Beach | 02/12 19:40 | 14 | [187] Renzo Olivo v Jason Jung [171] | 2-6,3-6 | |
| ATP - Dallas | 02/07 18:00 | 19 | [153] Jurij Rodionov v Jason Jung [171] | 4-6,6-2,6-3 | |
| ATP - Dallas | 02/06 17:00 | 14 | [284] Go Soeda v Jason Jung [173] | 6-3,1-6,6-7 | |
| Challenger - Cleveland | 02/02 00:35 | 25 | [173] Jason Jung v Emilio Gomez [142] | 3-6,4-6 | |
| Challenger - Columbus | 01/25 20:30 | 25 | [176] Jason Jung v Ernesto Escobedo [141] | 1-6,4-6 | |
| Australian Open | 01/10 07:15 | 14 | [126] Yannick Hanfmann v Jason Jung [178] | 6-7,7-5,6-0 | |
| Challenger - Bendigo | 01/06 06:20 | 26 | [164] Ernesto Escobedo v Jason Jung [178] | 6-2,4-6,6-2 | |
| Challenger - Bendigo | 01/04 06:35 | 25 | [213] Camilo U Carabelli v Jason Jung [178] | 6-7,6-7 | |
| Challenger - Champaign | 11/18 18:45 | 26 | [245] Go Soeda v Jason Jung [177] | 6-4,5-7,6-4 | |
| Challenger - Champaign | 11/16 20:00 | 25 | [227] Mikael Torpegaard v Jason Jung [177] | 2-6,6-3,4-6 | |
| Challenger - Knoxville | 11/10 17:15 | 26 | [173] Jason Jung v Christian Harrison [263] | Retired | |
| Challenger - Knoxville | 11/08 19:35 | 25 | [173] Jason Jung v Jason Kubler [208] | 6-4,6-1 | |
| Challenger - Charlottesville | 11/02 19:05 | 25 | [173] Jason Jung v Christian Harrison [270] | 5-7,4-6 | |
| Challenger - Las Vegas | 10/25 20:55 | 25 | [166] Jason Jung v Thai-Son Kwiatkowski [232] | 5-7,2-6 | |
| ATP - Indian Wells | 10/05 19:25 | 14 | [165] Jason Jung v Stefan Kozlov [253] | Retired | |
| Challenger - Columbus | 09/20 16:40 | 25 | [166] Jason Jung v Ryan Peniston [309] | 3-6,4-6 | |
| Challenger - Cary | 09/14 16:55 | 25 | [481] Rinky Hijikata v Jason Jung [166] | 6-4,6-4 | |
| US Open | 08/26 20:30 | 15 | [129] Mikhail Kukushkin v Jason Jung [168] | 6-4,6-3 | |
| US Open | 08/25 21:20 | 14 | [166] Sebastian Ofner v Jason Jung [168] | 5-7,4-6 | |
| ATP - Washington | 07/31 16:00 | 14 | [178] Go Soeda v Jason Jung [159] | 6-4,6-7,6-4 | |
| ATP - Atlanta | 07/25 16:25 | 19 | [159] Jason Jung v Bjorn Fratangelo [188] | 3-6,6-1,5-7 | |
| ATP - Atlanta | 07/24 19:25 | 26 | [159] Jason Jung v Lukas Lacko [191] | 6-4,6-7,6-3 | |
| ATP - Los Cabos | 07/20 00:00 | 25 | [159] Jason Jung v Evgeny Donskoy [157] | 1-6,4-6 | |
| ATP - Newport | 07/15 16:45 | 27 | [37] Alexander Bublik v Jason Jung [163] | 6-2,6-4 | |
| ATP - Newport | 07/14 17:55 | 26 | [163] Jason Jung v Tennys Sandgren [78] | 6-2,6-2 | |
| ATP - Newport | 07/13 16:20 | 25 | [248] Brayden Schnur v Jason Jung [163] | 5-7,7-6,6-7 |
Wikipedia - Jason Jung
Jason Jung (Standaardmandarijn: 莊吉生, hanyu pinyin: Zhuāng Jíshēng) (Torrance, 15 juni 1989) is een Amerikaans tennisser van Taiwanese afkomst. Sinds 2015 komt hij uit voor Chinees Taipei. Hij stond viermaal in de finale van een ATP-toernooi in het enkelspel, waarvan hij er één won. Hij won één keer een ATP Challenger-toernooi in het dubbelspel. Hij heeft drie challengers in het enkelspel op zijn naam staan. Jung speelde zijn eerste wedstrijd op grandslamniveau op Wimbledon 2018. Als lucky loser verloor hij in de eerste ronde in drie sets van de Fransman Benoît Paire.