| ATP Barcelona | 04/14 10:15 | 19 | [229] Nick Hardt v Hugo Dellien [178] | 4-6,7-6,6-3 | |
| ATP Barcelona | 04/13 08:00 | 45 | [187] Matteo Martineau v Hugo Dellien [178] | 2-6,6-3,1-6 | |
| Challenger Asuncion | 03/21 21:10 | 26 | [183] Hugo Dellien v Alexander Weis [304] | 4-6,0-6 | |
| Challenger Asuncion | 03/19 19:00 | 25 | [183] Hugo Dellien v Joao Lucas Reis da Silva [324] | 6-3,6-2 | |
| Challenger Santiago | 03/15 21:20 | 27 | [147] Facundo Bagnis v Hugo Dellien [161] | 6-3,7-6 | |
| Challenger Santiago | 03/14 20:05 | 26 | [353] Federico Agustin Gomez v Hugo Dellien [161] | 6-3,1-6,0-6 | |
| Challenger Santiago | 03/12 16:05 | 25 | [310] Gonzalo Bueno v Hugo Dellien [161] | 4-6,6-7 | |
| Challenger Santa Cruz | 03/05 23:25 | 25 | [247] Murkel Dellien v Hugo Dellien [161] | 7-5,6-1 | |
| ATP Santiago | 02/27 18:40 | 25 | [104] Albert Ramos-Vinolas v Hugo Dellien [157] | 6-3,6-2 | |
| ATP Santiago | 02/24 16:20 | 14 | Hugo Dellien v Juan Pablo Ficovich | Cancelled | |
| ATP Rio De Janeiro | 02/19 22:00 | 25 | [135] Hugo Dellien v Cameron Norrie [20] | 3-6,2-6 | |
| ATP Rio De Janeiro | 02/17 19:00 | 14 | [135] Hugo Dellien v Francisco Comesana [119] | Cancelled | |
| ATP Buenos Aires | 02/11 21:00 | 19 | [135] Camilo Ugo Carabelli v Hugo Dellien [112] | 4-6,7-6,6-3 | |
| ATP Buenos Aires | 02/10 20:50 | 14 | [170] Roman A Burruchaga v Hugo Dellien [112] | 0-6,1-6 | |
| ATP Cordoba | 02/09 16:10 | 26 | [112] Hugo Dellien v Sebastian Baez [26] | 6-4,3-6,4-6 | |
| ATP Cordoba | 02/05 21:00 | 25 | [112] Hugo Dellien v Thiago Seyboth Wild [81] | 6-4,2-6,6-3 | |
| Australian Open | 01/11 02:45 | 15 | [109] Hugo Dellien v Harold Mayot [159] | 0-6,3-6 | |
| Australian Open | 01/10 01:30 | 14 | [109] Hugo Dellien v Goncalo Oliveira [221] | 6-4,6-2 | |
| Challenger Temuco | 11/28 13:00 | 25 | [109] Hugo Dellien v Ignacio Buse [471] | 6-1,6-7,4-6 | |
| Challenger Montevideo | 11/19 01:15 | 28 | [112] Hugo Dellien v Thiago Monteiro [131] | 6-7,6-1,3-6 | |
| Challenger Montevideo | 11/18 17:30 | 27 | [112] Hugo Dellien v Tomas Barrios Vera [106] | 6-4,0-6,6-4 | |
| Challenger Montevideo | 11/15 17:00 | 26 | [112] Hugo Dellien v Renzo Olivo [278] | 5-7,6-3,6-4 | |
| Challenger Montevideo | 11/13 21:00 | 25 | [112] Hugo Dellien v Oriol Roca Batalla [190] | 6-3,6-3 | |
| Challenger Lima | 11/07 17:20 | 25 | [144] Camilo Ugo Carabelli v Hugo Dellien [111] | 6-4,6-1 | |
| Challenger Guayaquil | 11/03 21:35 | 27 | [115] Hugo Dellien v Daniel E Galan [96] | 1-6,2-6 | |
| Challenger Guayaquil | 11/01 20:00 | 26 | [115] Hugo Dellien v Santiago Rodriguez Taverna [256] | 6-2,4-6,6-3 | |
| Challenger Guayaquil | 10/31 20:00 | 25 | [115] Hugo Dellien v Alex Barrena [412] | 6-2,7-5 | |
| Challenger Guayaquil | 10/31 19:00 | 25 | Hugo Dellien v Nick Hardt | Cancelled | |
| Challenger Curitiba | 10/29 18:00 | 29 | [129] Hugo Dellien v Oliver Crawford [225] | 7-6,4-6,7-6 | |
| Challenger Curitiba | 10/29 13:00 | 28 | [129] Hugo Dellien v Guido Andreozzi [205] | 6-7,6-2,6-3 |
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.