Luca Castelnuovo and Ji Sung Nam will face off in the quarter of the Shanghai Challenger for the 1st time in their career. They are scheduled to play on Friday at 3:30 pm on Court 6. 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 Luca Castelnuovo who should win in 3 sets.
As per the initial odds, Luca Castelnuovo is the pick to win this match.
Luca Castelnuovo -> 1.8
Ji Sung Nam -> 1.88
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At the challenger level, there will be free live streaming on Challenger TV.
Prediction and head to head Luca Castelnuovo vs. Ji Sung Nam
There is no head to head record between Luca Castelnuovo and Ji Sung Nam since this will be the first time that they will play each other in the main tour.
Luca Castelnuovo
26 - 19win/loss
455
342
LLLWLWWWWL | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 27-23 | 20-16 | 1-4 | 5-1 | 1-2 | 0-0 |
| 2025 | 43-23 | 32-18 | 3-2 | 8-3 | 0-0 | 0-0 |
| 2024 | 25-21 | 25-20 | 0-1 | 0-0 | 0-0 | 0-0 |
| 2023 | 36-23 | 22-15 | 4-3 | 8-4 | 0-0 | 2-1 |
| 2022 | 9-16 | 8-7 | 0-2 | 0-3 | 1-2 | 0-2 |
Ranked no. 461, Castelnuovo reached the quarter after defeating Tsung-Hao Huang 6-4 6-2, Chun Hsin Tseng 3-6 7-6(7) 6-2 and Tung-Lin Wu 7-5 6-4.
In the 2nd round, Castelnuovo had a good straight sets win against Wu (7-5 6-4). During the match, Castelnuovo scored 69 points vs Wu’s 55. Castelnuovo was extremely aggressive to blast 36 winners.
Regarding the service games, Castelnuovo fired 15 aces and he committed only 3 double faults. Luca Castelnuovo was very effective on serve to win 95% (36/38) of his 1st serve and 57% (8/14) on the second serve. This was the main reason for not conceding a single break during the match. Castelnuovo broke Wu twice after converting 29% of his break points (2/7).
Overall Performance in this tournament
The Swiss started his run at this tournament from the qualifications. In the main draw, he has conceded 1 set in this tournament to conquer 54% of the points he played.
ATP Shanghai Challenger - Luca Castelnuovo's projected path
Castelnuovo has good match record in the last 10 years having won 54% of his matches (252-216). 18-12 on hard in 2026. In connection with his performance on the same surface of this event, Castelnuovo has an aggregate 157-132 record in the last years on hard.
Luca’s best result of the season was getting to the final in M25 Maanshan.
The Swiss has a compiled 25-19 win-loss record in 2026, 18-12 on hard (See FULL STATS).
Previously in the Shanghai Challenger
Previously, his best result was reaching the 1st round in 2019. See his history.
Ji Sung Nam
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 6-8 | 6-6 | 0-2 | 0-0 | 0-0 | 0-0 |
| 2025 | 23-16 | 18-12 | 0-1 | 5-3 | 0-0 | 0-0 |
| 2024 | 14-21 | 12-10 | 2-4 | 0-1 | 0-6 | 0-0 |
| 2023 | 15-20 | 13-15 | 2-4 | 0-1 | 0-0 | 0-0 |
| 2022 | 26-19 | 24-13 | 2-4 | 0-2 | 0-0 | 0-0 |
Ranked no. 768, Ji reached the quarter after defeating Joshua Charlton 7-6(0) 6-2, Kaito Uesugi 6-2 7-5, Rei Sakamoto 7-6(3) 6-4 and Denis Yevseyev 6-2 6-2.
In the 2nd round, Ji had a good straight sets win against Yevseyev (6-2 6-2). During the match Sung Nam scored 76 points vs Yevseyev’s 57. Ji was quite aggressive to blast 29 winners.
Talking about serving, Sung Nam managed to score 5 aces and he committed only 1 double fault for the entire match. Ji Sung Nam conceded no breaks for the entire match to save 2 break points. Furthermore, Sung Nam put 71% of his first serves in, winning 69% (29/42) of the points behind his 1st serve and 65% (11/17) on the 2nd serve. Sung Nam broke Yevseyev 4 times after converting 50% of his break points (4/8).
Overall Performance in this tournament
Sung Nam started his run at this tournament from the qualifications. In the main draw, he hasn’t surrendered yet a set in this event to conquer 56% of the points he played.
ATP Shanghai Challenger - Ji Sung Nam's projected path
The Korean has an aggregate 6-7 win-loss record in 2026, 6-5 on hard (See FULL STATS).
Previously in the Shanghai Challenger
Previously, his best result was reaching the 1st round in 2013. See his history.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Castelnuovo | Sung Nam |
|---|---|---|
| Match played | 3 | 4 |
| Tot Set | 7 | 8 |
| Tot Games | 70 | 80 |
| Pts | 222-191 | 290-230 |
| Total Points | 413 | 520 |
| Winners | 115 | 125 |
| %Winners | 52% | 43% |
Castelnuovo played 3 matches while Sung Nam competed in 4 matches. At the moment, Luca Castelnuovo dropped 1 set while Ji Sung Nam hasn’t surrendered a set so far. Castelnuovo has played 1 set(s) less than Sung Nam (7 vs 8). Therefore, Castelnuovo played 10 games less than Sung Nam. Luca scored 115 winners (52% of the total points). On the other side, The Korean recorded 125 winners (43%).
Serve Performance
| Serve | Castelnuovo | Sung Nam |
|---|---|---|
| Aces | 39 | 15 |
| Avg per match | 13 | 3.8 |
| 1st in | 131/193 | 169/242 |
| %1st in | 68% | 70% |
| 1st pts | 115/131 | 125/169 |
| %1st pts | 88% | 74% |
| 2nd pts | 30/62 | 45/73 |
| %2nd pts | 48% | 62% |
Castelnuovo blasted 39 aces (13 per match). Sung Nam managed to score 15 aces (3.8 per match). Castelnuovo won 88% points behind his first serve. He extremely effective on his second serve to win 48% of the points. On the other side, Sung Nam won 74% of the points on his first serve. He had a solid display on his second serve to win 62% of the points.
How they played the important points
| Breaks | Castelnuovo | Sung Nam |
|---|---|---|
| Won | 8 | 14 |
| Converted | 8/19 | 14/29 |
| % Converted | 42% | 48% |
| Conceded | 4 | 12 |
| Saved | 2 | 8 |
| % Saved | 50% | 67% |
| Times Broken | 2 | 4 |
The Swiss broke his opponents 8 times with a 42% conversion rate. Castelnuovo conceded his serve twice and he saved 50% of the break points that he conceded. Sung Nam broke his opponents 14 times with a 48% conversion rate. The Korean conceded his serve 4 times and he saved 67% of the break points that he conceded.
| Castelnuovo | |||||
| Q3 Huang |
R1 Hsin |
R2 Wu |
Total | ||
|---|---|---|---|---|---|
| Score | 6-4 6-2 | 3-6 7-67 6-2 | 7-5 6-4 | ||
| Tot Set | 2 | 3 | 2 | 7 | |
| Tot Games | 18 | 30 | 22 | 70 | |
| pts | 57-41 | 96-95 | 69-55 | 222-191 | |
| Total points | 98 | 191 | 124 | 413 | |
| Winners | 29 | 50 | 36 | 115 | |
| %Winners | 51% | 52% | 52% | 52% | |
| SERVE | |||||
| Aces | 12 | 12 | 15 | 39 | |
| Double Faults | 1 | 6 | 3 | 10 | |
| 1st in | 31/48 | 62/93 | 38/52 | 131/193 | |
| % 1st in | 65% | 67% | 73% | 68% | |
| 1st pts | 29/31 | 50/62 | 36/38 | 115/131 | |
| % 1st pts | 94% | 81% | 95% | 88% | |
| 2nd pts | 9/17 | 13/31 | 8/14 | 30/62 | |
| % 2nd pts | 53% | 42% | 57% | 48% | |
| Breaks | |||||
| Won | 3 | 3 | 2 | 8 | |
| Converted | 3/5 | 3/7 | 2/7 | 8/19 | |
| Converted % | 60% | 43% | 29% | 42% | |
| Conceded | 0 | 4 | 0 | 4 | |
| Saved | 0/0 | 2/4 | 0/0 | 2 | |
| Saved % | – | 50% | – | 17% | |
| Times Broken | 0 | 2 | 0 | 2 | |
| Sung Nam | ||||||
| Q1 Charlton |
Q3 Uesugi |
R1 Sakamoto |
R2 Yevseyev |
Total | ||
|---|---|---|---|---|---|---|
| Score | 7-60 6-2 | 6-2 7-5 | 7-63 6-4 | 6-2 6-2 | ||
| Tot Set | 2 | 2 | 2 | 2 | 8 | |
| Tot Games | 21 | 20 | 23 | 16 | 80 | |
| pts | 79-59 | 67-56 | 68-58 | 76-57 | 290-230 | |
| Total points | 138 | 123 | 126 | 133 | 520 | |
| Winners | 33 | 33 | 30 | 29 | 125 | |
| %Winners | 42% | 49% | 44% | 38% | 43% | |
| SERVE | ||||||
| Aces | 5 | 2 | 3 | 5 | 15 | |
| Double Faults | 0 | 2 | 0 | 1 | 3 | |
| 1st in | 37/56 | 49/61 | 41/66 | 42/59 | 169/242 | |
| % 1st in | 66% | 80% | 62% | 71% | 70% | |
| 1st pts | 33/37 | 33/49 | 30/41 | 29/42 | 125/169 | |
| % 1st pts | 89% | 67% | 73% | 69% | 74% | |
| 2nd pts | 13/19 | 5/12 | 16/25 | 11/17 | 45/73 | |
| % 2nd pts | 68% | 42% | 64% | 65% | 62% | |
| Breaks | ||||||
| Won | 2 | 5 | 3 | 4 | 14 | |
| Converted | 2/10 | 5/6 | 3/5 | 4/8 | 14/29 | |
| Converted % | 20% | 83% | 60% | 50% | 48% | |
| Conceded | 0 | 5 | 5 | 2 | 12 | |
| Saved | 0/0 | 3/5 | 3/5 | 2/2 | 8 | |
| Saved % | – | 60% | 60% | 100% | 73% | |
| Times Broken | 0 | 2 | 2 | 0 | 4 | |
Head 2 Head
WWWWWWWWWW
WWWWWW Tennis Scores in Shanghai Challenger
- Ji Sung Nam/Uisung ParkSung Nam/Uisung Park – Kaichi Uchida/Takeru YuzukiUchida/Takeru Yuzuki (7-64 6-4) – Stats, scores, rankings
- Jake Delaney/Jesse DelaneyDelaney/Jesse Delaney – Blake Bayldon/Joshua CharltonBayldon/Joshua Charlton (6-1 6-3) – Stats, scores, rankings
Upcoming matches in the draw
- Ji Sung NamSung Nam – Luca CastelnuovoCastelnuovo (0-0) – H2H and prediction
- Omar JasikaJasika – (0-1) – H2H and prediction
- Ilya IvashkaIvashka – (1-0) – H2H and prediction
- Pavel KotovKotov – Alexis GalarneauGalarneau (1-0) – H2H and prediction
