Murkel Dellien and Sandro Kopp will fight against each other in the quarter of the Sofia 1 Challenger for the 1st time in their career. They are scheduled to play on Thursday at 1:30 pm on COURT 3. In the following lines you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Murkel Dellien who should win in 3 sets.
Murkel Dellien -> 1.6
Sandro Kopp -> 2.22
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Prediction and head to head Murkel Dellien vs. Sandro Kopp
There is no head to head record between Murkel Dellien and Sandro Kopp since this will be the first time that they will play each other in the main tour.
Murkel Dellien
20 - 24win/loss
265
168
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 36-36 | 0-1 | 36-34 | 0-0 | 0-1 | 0-0 |
| 2024 | 48-31 | 1-1 | 47-29 | 0-0 | 0-1 | 0-0 |
| 2023 | 49-32 | 0-0 | 49-32 | 0-0 | 0-0 | 0-0 |
| 2022 | 55-28 | 1-4 | 54-24 | 0-0 | 0-0 | 0-0 |
| 2021 | 18-13 | 3-2 | 15-11 | 0-0 | 0-0 | 0-0 |
Ranked no. 287, Alejandro Dellien Velasco reached the quarter after defeating Anas Mazdrashki 6-0 6-3 and Denis Yevseyev 6-4 6-3.
In the 2nd round, Murkel had a good straight sets win against Yevseyev (6-4 6-3). During the match, Alejandro Dellien Velasco scored 69 points vs Yevseyev’s 57. The Bolivian was pretty aggressive to blast 26 winners.
Talking about the service games, Alejandro Dellien Velasco scored just 1 ace in the encounter and he committed only 2 double faults. Murkel Dellien lost the serve once and he saved 4 break points. Furthermore, Alejandro Dellien Velasco put 63% of his first serves in, winning 74% (26/35) of the points behind his 1st serve and 48% (10/21) on the 2nd serve. Alejandro Dellien Velasco broke Yevseyev 4 times after converting 57% of his break points (4/7).
Overall Performance in this tournament
Alejandro Dellien Velasco hasn’t conceded yet a set in this event to win 58% of the points he played.
Alejandro Dellien Velasco has a solid record in the last 7 years having won 60% of his matches (198-134). 20-22 on clay in 2025. In connection with his performance on the same surface of this tournament, Alejandro Dellien Velasco has an overall187-121 win-loss record in the last 7 years on clay.
Murkel’s best result of the year was reaching the semifinal in the Rosario Challenger and the San Miguel de Tucuman Challenger.
Murkel has a compiled 20-24 win-loss record in 2025, 20-22 on clay (See FULL STATS).
Previously in the Sofia 1 Challenger
Murkel has never competed in this tournament before.
Sandro Kopp
37 - 20win/loss
314
307
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 54-27 | 10-5 | 38-19 | 6-3 | 0-0 | 0-0 |
| 2024 | 40-26 | 5-3 | 32-21 | 3-2 | 0-0 | 0-0 |
| 2023 | 36-30 | 0-0 | 26-22 | 8-6 | 0-0 | 2-2 |
| 2022 | 54-26 | 6-5 | 32-16 | 14-4 | 0-0 | 2-1 |
| 2021 | 33-24 | 3-6 | 30-16 | 0-2 | 0-0 | 0-0 |
Ranked no. 405, the Austrian got to the quarter after beating Andrej Nedic 7-5 6-1 and Milos Karol 3-6 6-3 7-6(2).
In the 2nd round against Karol, Kopp recovered from a 1-set down deficit before winning (3-6 6-3 7-62). During the match Kopp scored 87 points vs Karol’s 83. Kopp was exceptionally aggressive to blast 48 winners.
Talking about serving, Kopp bagged 2 aces and he committed only 3 double faults. Overall, Sandro Kopp was extremely efficient on serve to win 79% (48/61) of his 1st serve and 57% (12/21) on the second serve. However, this didn’t prevent his to concede the serve twice. The Austrian was clinical in his return game without wasting any break point and break Karol twice.
Overall Performance in this tournament
The Austrian has conceded 1 set in the tournament to win 53% of the points he played.
The Austrian’s best result of the current year was reaching the final in M25 Vila Real de Santo Antonio,M15 Porec and M25 Klosters.
Kopp has an overall 37-20 win-loss record in 2025, 30-14 on clay (See FULL STATS).
H2H Performance in the tournament (main draw)
Matches, sets, games and points
| Points | Alejandro Dellien Velasco | Kopp |
|---|---|---|
| Match played | 2 | 2 |
| Tot Set | 4 | 5 |
| Tot Games | 34 | 50 |
| Pts | 131-95 | 152-133 |
| Total Points | 226 | 285 |
| Winners | 48 | 79 |
| %Winners | 37% | 52% |
Both Alejandro Dellien Velasco and Kopp played 2 matches. At the moment, Sandro Kopp dropped 1 set while Murkel Dellien hasn’t dropped a set so far. Alejandro Dellien Velasco has played 1 set(s) less than Kopp (4 vs 5). Therefore, Alejandro Dellien Velasco played 16 games less than Kopp. The Bolivian scored 48 winners (37% of the total points). On the other side, Sandro bagged 79 winners (52%).
Serve Performance
| Serve | Alejandro Dellien Velasco | Kopp |
|---|---|---|
| Aces | 2 | 10 |
| Avg per match | 1 | 5 |
| 1st in | 62/102 | 98/143 |
| %1st in | 61% | 69% |
| 1st pts | 48/62 | 79/98 |
| %1st pts | 77% | 81% |
| 2nd pts | 19/40 | 24/45 |
| %2nd pts | 48% | 53% |
Alejandro Dellien Velasco struck 2 aces (1 per match). Kopp managed to score 10 aces (5 per match). Alejandro Dellien Velasco won 77% points behind his first serve. He was rock solid on his second serve to win 48% of the points. On the other side, Kopp won 81% of the points on his first serve. He had a solid display on his second serve to win 53% of the points.
How they played the important points
| Breaks | Alejandro Dellien Velasco | Kopp |
|---|---|---|
| Won | 10 | 5 |
| Converted | 10/16 | 5/10 |
| % Converted | 63% | 50% |
| Conceded | 8 | 3 |
| Saved | 6 | 1 |
| % Saved | 75% | 33% |
| Times Broken | 2 | 2 |
Alejandro Dellien Velasco broke his opponents 10 times with a 63% conversion rate. Murkel surrendered his serve twice and he saved 75% of the break points that he conceded. The Austrian broke his opponents 5 times with a 50% conversion rate. The Austrian conceded his serve twice and he saved 33% of the break points that he conceded.
| Alejandro Dellien Velasco | ||||
| R1 Mazdrashki | R2 Yevseyev | Total | ||
|---|---|---|---|---|
| Score | 6-0 6-3 | 6-4 6-3 | ||
| Tot Set | 2 | 2 | 4 | |
| Tot Games | 15 | 19 | 34 | |
| pts | 62-38 | 69-57 | 131-95 | |
| Total points | 100 | 126 | 226 | |
| Winners | 22 | 26 | 48 | |
| %Winners | 35% | 38% | 37% | |
| SERVE | ||||
| Aces | 1 | 1 | 2 | |
| Double Faults | 1 | 2 | 3 | |
| 1st in | 27/46 | 35/56 | 62/102 | |
| % 1st in | 59% | 63% | 61% | |
| 1st pts | 22/27 | 26/35 | 48/62 | |
| % 1st pts | 81% | 74% | 77% | |
| 2nd pts | 9/19 | 10/21 | 19/40 | |
| % 2nd pts | 47% | 48% | 48% | |
| Breaks | ||||
| Won | 6 | 4 | 10 | |
| Converted | 6/9 | 4/7 | 10/16 | |
| Converted % | 67% | 57% | 63% | |
| Conceded | 3 | 5 | 8 | |
| Saved | 2/3 | 4/5 | 6 | |
| Saved % | 67% | 80% | 74% | |
| Times Broken | 1 | 1 | 2 | |
| Kopp | ||||
| R1 Nedic | R2 Karol | Total | ||
|---|---|---|---|---|
| Score | 7-5 6-1 | 3-6 6-3 7-62 | ||
| Tot Set | 2 | 3 | 5 | |
| Tot Games | 19 | 31 | 50 | |
| pts | 65-50 | 87-83 | 152-133 | |
| Total points | 115 | 170 | 285 | |
| Winners | 31 | 48 | 79 | |
| %Winners | 48% | 55% | 52% | |
| SERVE | ||||
| Aces | 8 | 2 | 10 | |
| Double Faults | 5 | 3 | 8 | |
| 1st in | 37/61 | 61/82 | 98/143 | |
| % 1st in | 61% | 74% | 69% | |
| 1st pts | 31/37 | 48/61 | 79/98 | |
| % 1st pts | 84% | 79% | 81% | |
| 2nd pts | 12/24 | 12/21 | 24/45 | |
| % 2nd pts | 50% | 57% | 53% | |
| Breaks | ||||
| Won | 3 | 2 | 5 | |
| Converted | 3/8 | 2/2 | 5/10 | |
| Converted % | 38% | 100% | 50% | |
| Conceded | 0 | 3 | 3 | |
| Saved | 0/0 | 1/3 | 1 | |
| Saved % | – | 33% | 17% | |
| Times Broken | 0 | 2 | 2 | |
Upcoming matches in the draw
- Nerman FaticFatic – Sebastian GimaGima (1-0) – H2H and prediction
- Murkel Alejandro Dellien VelascoAlejandro Dellien Velasco – Sandro KoppKopp (0-0) – H2H and prediction
- Zdenek KolarKolar – Nikolas Sanchez-IzquierdoSanchez-Izquierdo (0-0) – H2H and prediction