| Country (sports) | |
|---|---|
| Born | 16 September 1997 Trinidad, Bolivia |
| Plays | Right-handed |
| College | Wichita State |
| Prize money | $335,147 |
| Singles | |
| Career record | 2–5 |
| Career titles | 4 ITF |
| Highest ranking | No. 168 (15 July 2024) |
| Current ranking | No. 223 (16 June 2025) |
| Grand Slam singles results | |
| Australian Open | Q1 (2025) |
| French Open | Q1 (2024, 2025) |
| Wimbledon | Q1 (2024, 2025) |
| US Open | Q2 (2024) |
| Doubles | |
| Career record | 0–0 |
| Career titles | 2 ITF |
| Highest ranking | No. 174 (1 April 2024) |
| Current ranking | No. 276 (16 June 2025) |
| Last updated on: 16 June 2025. | |
Murkel Alejandro Dellien Velasco (born 16 September 1997) is a Bolivian tennis player. He has a career-high ATP singles ranking of No. 168, achieved on 15 July 2024. He is the current No. 2 Bolivian tennis player. [1] He also has a career-high ATP doubles ranking of No. 174 achieved on 1 April 2024. Dellien represents Bolivia at the Davis Cup, where he has a W/L record of 2–4.
Dellien played college tennis at Wichita State. [2]
In 2021 Dellien defeated Zizou Bergs in his first Davis Cup rubber. [3]
In July 2024, he won his maiden Challenger title at the 2024 Ion Țiriac Challenger in Brașov, Romania with a win over Dmitry Popko in the final. [4] With his brother Hugo winning the title at the 2024 Iași Open, also in Romania, the Delliens became the first brothers to win a Challenger title in the same season since the Cerúndolos in 2022. [5]
He is the younger brother of fellow tennis player Hugo Dellien. [6] Their father, Hugo Eduardo Dellien, [7] represented Beni Department as a substitute member of the Chamber of Deputies for the Social Democratic Power alliance from 2006 to 2010.
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Jan 2023 | Tigre, Argentina | Challenger | Clay | | 6–4, 4–6, 2–6 |
| Loss | 0–2 | Mar 2024 | Santa Cruz de la Sierra, Bolivia | Challenger | Clay | | 4–6, 2–6 |
| Win | 1–2 | Jul 2024 | Brașov, Romania | Challenger | Clay | | 6–3, 7–5 |
| Loss | 1–3 | Aug 2025 | Sofia, Bulgaria | Challenger | Clay | | 2–6, 2–6 |
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Jun 2022 | Corrientes, Argentina | Challenger | Clay | | | 5–7, 2–6 |
| Loss | 0–2 | Aug 2022 | Prague, Czech Republic | Challenger | Clay | | | 3–6, 1–6 |
| Win | 1–2 | May 2023 | Coquimbo, Chile | Challenger | Clay | | | 7–6(7–4), 6–0 |
| Win | 2–2 | Jan 2024 | Punta del Este, Uruguay | Challenger | Clay | | | 6–3, 6–2 |
| Win | 3–2 | Sep 2024 | Buenos Aires, Argentina | Challenger | Clay | | | 1–6, 6–2, [12–10] |
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Feb 2022 | M15 Naples, USA | WTT | Clay | | 3–6, 6–7(5–7) |
| Win | 1–1 | May 2022 | M15 Quito, Ecuador | WTT | Clay | | 7–6(7–1), 6–3 |
| Win | 2–1 | Jun 2022 | M15 Quito, Ecuador | WTT | Clay | | 6–3, 6–2 |
| Loss | 2–2 | Sep 2022 | M25 Maribor, Slovenia | WTT | Clay | | 4–6, 3–6 |
| Win | 3–2 | Oct 2022 | M15 Santa Cruz de la Sierra, Bolivia | WTT | Clay | | 6–0, 6–2 |
| Win | 4–2 | Nov 2022 | M15 Santa Cruz de la Sierra, Bolivia | WTT | Clay | | 7–6(7–5), 6–3 |
| Loss | 4–3 | Mar 2023 | M25 Río Cuarto, Argentina | WTT | Clay | | 6–7(7–9), 6–3, 5–7 |
| Win | 5–3 | Feb 2024 | M25 Punta del Este, Uruguay | WTT | Clay | | 6–4, 3–6, 7–5 |
| Win | 6–3 | Feb 2024 | M25 Punta del Este, Uruguay | WTT | Clay | | 6–1, 6–0 |
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Sep 2012 | Bolivia F2, Bolivia | Futures | Clay | | | 3–6, 5–7 |
| Loss | 0–2 | Sep 2013 | Bolivia F3, Bolivia | Futures | Clay | | | 3–6, 3–6 |
| Win | 1–2 | Jun 2021 | M25 Wichita, USA | WTT | Hard | | | 6–4, 2–6, [12–10] |
| Win | 2–2 | Sep 2021 | M15 Ibagué, Colombia | WTT | Clay | | | 6–4, 3–6, [10–4] |
| Win | 3–2 | Oct 2021 | M25 Lima, Peru | WTT | Clay | | | 7–6(7–4), 7–6(7–3) |
| Loss | 3–3 | Nov 2021 | M15 Córdoba, Argentina | WTT | Clay | | | 4–6, 7–5, [4–10] |
| Win | 4–3 | Apr 2022 | M25 Rosario, Argentina | WTT | Clay | | | 6–3, 6–3 |
| Win | 5–3 | Apr 2022 | M25 Rosario, Argentina | WTT | Clay | | | 6–3, 7–5 |
| Loss | 5–4 | May 2022 | M15 Quito, Ecuador | WTT | Clay | | | 2–6, 6–7(5–7) |
| Win | 6–4 | Jun 2022 | M15 Quito, Ecuador | WTT | Clay | | | 6–3, 7–5 |
| Win | 7–4 | Aug 2022 | M25 Koksijde, Belgium | WTT | Clay | | | 6–1, 4–6, [10–5] |
| Win | 8–4 | Mar 2023 | M25 San Miguel de Tucumán, Argentina | WTT | Clay | | | 6–7(5–7), 7–5, [10–7] |
| Loss | 8–5 | Jun 2023 | M25 Jablonec nad Nisou, Czech Republic | WTT | Clay | | | 2–6, 4–6 |
| Win | 9–5 | Jun 2023 | M25 Córdoba, Spain | WTT | Clay | | | 6–3, 6–7(4–7), [11–9] |
| Loss | 9–6 | Jul 2023 | M25 Kassel, Germany | WTT | Clay | | | 4–6, 4–6 |