Valentin Royer and Sebastian Dominko will face off in the 2nd round of the Sioux Falls Challenger for the 1st time in their career. They are scheduled to compete on Thursday at 4:00 pm on Stadium. In this post, we analyze their head to head performance and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Valentin Royer who should win in 2 sets.
As per the initial odds, Valentin Royer is the pick to win this match.
Valentin Royer -> 1.38
Sebastian Dominko -> 2.76
Here where top tennis events are broadcasted or streamed online (ATP, WTA).
At the challenger level, there will be free live streaming on Challenger TV.
Prediction and head to head Valentin Royer vs. Sebastian Dominko
There is no head to head record between Valentin Royer and Sebastian Dominko since this will be the first time that they will play each other in the main tour.
Valentin Royer
25 - 31win/loss
117
54
WLLWLLLWLW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 25-31 | 10-15 | 13-11 | 1-3 | 1-2 | 0-0 |
| 2025 | 61-31 | 16-8 | 31-11 | 10-10 | 4-2 | 0-0 |
| 2024 | 48-30 | 6-5 | 32-13 | 10-11 | 0-1 | 0-0 |
| 2023 | 51-20 | 24-7 | 22-10 | 5-3 | 0-0 | 0-0 |
| 2022 | 51-25 | 8-4 | 30-15 | 13-6 | 0-0 | 0-0 |
Ranked no. 117, the French player got to the 2nd round after defeating Timo Legout 6-3 7-6(6).
In the 1st round, Royer had a good straight sets win against Legout (6-3 7-66). During the match, Royer scored 78 points vs Legout’s 66. The French player was quite aggressive to blast 23 winners.
Regarding the service games, Royer recorded 3 aces and he committed only 2 double faults. Valentin Royer was quite effective on serve to win 72% (23/32) of his 1st serve and 77% (27/35) on the second serve. This was the main reason for not conceding a single break during the match. Valentin broke Legout once after converting 11% of his break points (1/9).
Royer has a solid record in the last 9 years having won 62% of his matches (294-178). 1-3 on indoor hard courts in 2026. In connection with his performance on the same surface of this competition, Royer has an overall62-52 record in the last 9 years on indoor hard courts.
His best result of the current year was winning the title the Kingston 1 Challenger where he beat Pedro Martinez Portero in the final 6-4 6-2.
Valentin has a composed 25-31 win-loss record in 2026, 1-3 on indoor hard courts (See FULL STATS).
Previously in the Sioux Falls Challenger
Royer has never competed in this tournament before.
Sebastian Dominko
26 - 8win/loss
554
554
WWWLLWWWWW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 26-8 | 7-4 | 13-3 | 6-1 | 0-0 | 0-0 |
| 2025 | 13-11 | 2-1 | 9-9 | 2-1 | 0-0 | 0-0 |
| 2024 | 17-7 | 3-1 | 11-5 | 3-1 | 0-0 | 0-0 |
| 2023 | 10-10 | 8-2 | 2-7 | 0-1 | 0-0 | 0-0 |
| 2022 | 10-10 | 3-5 | 7-3 | 0-2 | 0-0 | 0-0 |
Ranked no. 554 (career-high), the Slovenian reached the 2nd round after defeating Justin Boulais 5-7 6-3 6-4, Benjamin Willwerth 7-5 6-3 and Karl Poling 6-4 7-6(1).
In the 1st round, Dominko had a good straight sets win against Poling (6-4 7-61). During the match Dominko scored 74 points vs Poling’s 55. The Slovenian was exceptionally aggressive to blast 34 winners.
Talking about serving, Dominko bagged 17 aces and he committed only 3 double faults. Sebastian Dominko was very efficient on serve to win 89% (34/38) of his 1st serve and 78% (14/18) on the second serve. This was the main reason for not conceding a single break during the match. The Slovenian broke Poling once after converting 17% of his break points (1/6).
Sebastian’s best result of the year was getting to the final in M25 Maribor and M25 Pardubice.
Dominko has a compiled 26-8 win-loss record in 2026, 6-1 on indoor hard courts (See FULL STATS).
H2H Performance in the tournament
Matches, sets, games and points
| Points | Royer | Dominko |
|---|---|---|
| Match played | 1 | 3 |
| Tot Set | 2 | 7 |
| Tot Games | 22 | 75 |
| Pts | 78-66 | 239-194 |
| Total Points | 144 | 433 |
| Winners | 23 | 112 |
| %Winners | 29% | 47% |
Royer played 1 match while Dominko competed in 3 matches. Dominko started his run from the qualifications while Royer had a direct access to the main draw. At the moment, Sebastian Dominko dropped 1 set while Valentin Royer hasn’t conceded a set so far. Royer has played 5 set(s) less than Dominko (2 vs 7). Therefore, Royer played 53 games less than Dominko. Royer scored 23 winners (29% of the total points). On the other side, The Slovenian bagged 112 winners (47%).
Serve Performance
| Serve | Royer | Dominko |
|---|---|---|
| Aces | 3 | 41 |
| Avg per match | 3 | 13.7 |
| 1st in | 32/67 | 128/202 |
| %1st in | 48% | 63% |
| 1st pts | 23/32 | 112/128 |
| %1st pts | 72% | 88% |
| 2nd pts | 27/35 | 47/74 |
| %2nd pts | 77% | 64% |
Royer scored 3 aces . Dominko recorded 41 aces (13.7 per match). Royer won 72% points behind his first serve. He was rock solid on his second serve to win 77% of the points. On the other side, Dominko won 88% of the points on his first serve. He had a solid display on his second serve to win 64% of the points.
How they played the important points
| Breaks | Royer | Dominko |
|---|---|---|
| Won | 1 | 5 |
| Converted | 1/9 | 5/26 |
| % Converted | 11% | 19% |
| Conceded | 0 | 4 |
| Saved | 0 | 3 |
| % Saved | 0% | 75% |
| Times Broken | 0 | 1 |
Royer broke his opponent once with a 11% conversion rate. Royer pretty solid on his serve as he has never dropped a single service game after saving 0 break points. Dominko broke his opponents 5 times with a 19% conversion rate. Sebastian conceded his serve once and he saved 75% of the break points that he conceded.
| Royer | |||
| R1 Legout |
Total | ||
|---|---|---|---|
| Score | 6-3 7-66 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 22 | 22 | |
| pts | 78-66 | 78-66 | |
| Total points | 144 | 144 | |
| Winners | 23 | 23 | |
| %Winners | 29% | 29% | |
| SERVE | |||
| Aces | 3 | 3 | |
| Double Faults | 2 | 2 | |
| 1st in | 32/67 | 32/67 | |
| % 1st in | 48% | 48% | |
| 1st pts | 23/32 | 23/32 | |
| % 1st pts | 72% | 72% | |
| 2nd pts | 27/35 | 27/35 | |
| % 2nd pts | 77% | 77% | |
| Breaks | |||
| Won | 1 | 1 | |
| Converted | 1/9 | 1/9 | |
| Converted % | 11% | 11% | |
| Conceded | 0 | 0 | |
| Saved | 0/0 | 0 | |
| Saved % | – | 0% | |
| Times Broken | 0 | 0 | |
| Dominko | |||||
| Q1 Boulais |
Q3 Willwerth |
R1 Poling |
Total | ||
|---|---|---|---|---|---|
| Score | 5-7 6-3 6-4 | 7-5 6-3 | 6-4 7-61 | ||
| Tot Set | 3 | 2 | 2 | 7 | |
| Tot Games | 31 | 21 | 23 | 75 | |
| pts | 94-91 | 71-48 | 74-55 | 239-194 | |
| Total points | 185 | 119 | 129 | 433 | |
| Winners | 48 | 30 | 34 | 112 | |
| %Winners | 51% | 42% | 46% | 47% | |
| SERVE | |||||
| Aces | 14 | 10 | 17 | 41 | |
| Double Faults | 5 | 2 | 3 | 10 | |
| 1st in | 60/97 | 30/49 | 38/56 | 128/202 | |
| % 1st in | 62% | 61% | 68% | 63% | |
| 1st pts | 48/60 | 30/30 | 34/38 | 112/128 | |
| % 1st pts | 80% | 100% | 89% | 88% | |
| 2nd pts | 19/37 | 14/19 | 14/18 | 47/74 | |
| % 2nd pts | 51% | 74% | 78% | 64% | |
| Breaks | |||||
| Won | 2 | 2 | 1 | 5 | |
| Converted | 2/4 | 2/16 | 1/6 | 5/26 | |
| Converted % | 50% | 13% | 17% | 19% | |
| Conceded | 4 | 0 | 0 | 4 | |
| Saved | 3/4 | 0/0 | 0/0 | 3 | |
| Saved % | 75% | – | – | 75% | |
| Times Broken | 1 | 0 | 0 | 1 | |
Head 2 Head
WWWWWWWWWW
WWWWWWWWWW Tennis Scores in Sioux Falls Challenger
- Jeff WolfWolf – Daniel MilavskyMilavsky (7-67 7-63) – Stats, scores, rankings
- Aidan MayoMayo – Maks KasnikowskiKasnikowski (6-2 6-74 7-5) – Stats, scores, rankings
Upcoming matches in the draw
- Mitchell KruegerKrueger – (1-1) – H2H and prediction
- Jenson BrooksbyBrooksby – (0-0) – H2H and prediction
- Liam DraxlDraxl – (0-0) – H2H and prediction
