Results
| US Open | 08/19 19:35 | 14 | [107] Hugo Dellien v Valentin Royer [202] | 3-6,4-6 | |
| Challenger Bonn | 08/11 11:00 | 29 | [130] Hugo Dellien v Maximilian Marterer [113] | 7-6,6-0 | |
| Challenger Bonn | 08/10 11:00 | 28 | [281] Martin Landaluce v Hugo Dellien [130] | 5-7,3-6 | |
| Challenger Bonn | 08/09 11:00 | 27 | Hugo Dellien v Calvin Hemery | 6-0,6-1 | |
| Challenger Bonn | 08/08 13:40 | 26 | [130] Hugo Dellien v Clement Tabur [244] | 6-1,6-3 | |
| Challenger Bonn | 08/06 11:50 | 25 | [130] Hugo Dellien v Max Hans Rehberg [350] | 6-3,6-1 | |
| Challenger Liberec | 08/04 10:30 | 29 | [140] Hugo Dellien v Elmer Moller [283] | 5-7,6-4,6-1 | |
| Challenger Liberec | 08/03 09:55 | 28 | [140] Hugo Dellien v Manuel Guinard [288] | 7-6,6-4 | |
| Challenger Liberec | 08/02 09:00 | 27 | [140] Hugo Dellien v Vitaliy Sachko [409] | 6-3,6-0 | |
| Challenger Liberec | 08/01 10:20 | 26 | [140] Hugo Dellien v Martin Klizan [358] | Retired | |
| Challenger Liberec | 07/30 16:15 | 25 | [140] Hugo Dellien v Dalibor Svrcina [294] | 7-6,6-1 | |
| Challenger Verona | 07/26 19:00 | 27 | [141] Hugo Dellien v Vilius Gaubas [257] | 3-6,6-1,3-6 |
Wikipedia - Hugo Dellien
Hugo Dellien Velasco (Spanish pronunciation: [ˈuɣo ðeˈljen]; born 16 June 1993) is a Bolivian professional tennis player. He has a career-high ATP singles ranking of No. 64, achieved on 1 August 2022. He is the current No. 1 Bolivian tennis player. He also has a career-high ATP doubles ranking of No. 185 achieved on 2 February 2015. In juniors, Dellien had a career-high combined ranking of No. 2 in March 2011.