| 25 | 23 | | Rafael Jódar | 19 | ESP | 1927 | +1 | +88 | | Lost in Wimbledon R32  | |
| 27 | 24 | | João Fonseca | 19 | BRA | 1710 | | | | Lost in Wimbledon R32 (R64 ) | |
| 118 | NCH (121) | | Nicolai Budkov Kjaer | 19 | NOR | 530 | +3 | +8 | | Lost in Qual. Wimbledon R3 | |
| 183 | 174 | | Federico Cina | 19 | ITA | 312 | -9 | -21 | Iasi R32 | Lost in Qual. Wimbledon R2 Lost in Brasov R32 | Lost in Qual. Wimbledon R2 Lost in Brasov R32 Iasi R32 | 319 | 412 |
| 208 | NCH (215) | | Moïse Kouamé | 17 | FRA | 263 | +7 | -1 | Braunschweig R32 | | 271 | 388 |
| 225 | 211 | | Darwin Blanch | 18 | USA | 243 | -1 | -10 | Newport R32 | Lost in Qual. Wimbledon R2 | Lost in Qual. Wimbledon R2 Newport R32 | 245 | 362 |
| 267 | 258 | | Diego Dedura | 18 | GER | 207 | +4 | -2 | Braunschweig R32 | Lost in Bakio QF Lost in Milan R16 | Lost in Bakio QF Lost in Milan R16 Braunschweig R32 | 211 | 328 |
| 274 | 180 | | Justin Engel | 18 | GER | 201 | +5 | | |
| 313 | 271 | | Maxim Mrva | 18 | CZE | 167 | -18 | -18 | Trieste R32 | | 173 | 242 |
| 323 | NCH (332) | | Max Schönhaus | 18 | GER | 158 | +12 | | Braunschweig R32 | | 166 | 283 |
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| 326 | 276 | | Petr Brunclík | 19 | CZE | 157 | +8 | -1 | | |
| 342 | NCH (357) | | Ognjen Milić | 19 | SRB | 149 | +15 | +5 | | Lost in Brasov R16 | |
| 365 | 335 | | Jacopo Vasami | 18 | ITA | 137 | +3 | | | Lost in Milan R32 | |
| 386 | NCH (411) | | Jack Kennedy | 18 | USA | 129 | +28 | +12 | | Lost in Cary QF | |
| 396 | 373 | | Manas Dhamne | 18 | IND | 124 | -10 | -6 | Liege R32 | Lost in Troyes R32 | Lost in Troyes R32 Liege R32 | 128 | 174 |
| 454 | NCH (458) | | Henry Bernet | 19 | SUI | 101 | +4 | +1 | Qual. Trieste R2 | Lost in Bergamo R32 | Lost in Bergamo R32 Qual. Trieste R2 | 103 | 103 |
| 459 | NCH (510) | | Karim Bennani | 18 | MAR | 99 | +58 | +17 | | Lost in Tangier F Lost in Rabat QF | |
| 471 | 416 | | Mees Rottgering | 18 | NED | 94 | -2 | -2 | | |
| 473 | NCH (495) | | Mika Petković | 19 | GER | 94 | +22 | +4 | Qual. Braunschweig R2 | Lost in Nivelles SF | Lost in Nivelles SF Qual. Braunschweig R2 | 96 | 96 |
| 504 | NCH (524) | | Reda Bennani | 19 | MAR | 86 | +31 | +9 | | Lost in Tangier QF Rabat W | |
| 528 | 525 | | Thijs Boogaard | 18 | NED | 80 | -3 | | |
| 549 | 479 | | Tomasz Berkieta | 19 | POL | 73 | -6 | -3 | | Lost in Umag R16 | |
| 566 | NCH (569) | | Niels McDonald | 18 | GER | 70 | +3 | | Braunschweig R32 | Lost in Milan R32 | Lost in Milan R32 Braunschweig R32 | 78 | 195 |
| 570 | NCH (592) | | Alexander Vasilev | 19 | BUL | 68 | +22 | +4 | | Lost in Troyes R16 | |
| 600 | NCH (606) | | Cruz Hewitt | 17 | AUS | 61 | +6 | | |
| 606 | 603 | | Jan Kumstát | 19 | CZE | 60 | +5 | | | Lost in Zagreb R32 Lost in Qual. Troyes R1 | |
| 636 | 603 | | Amir Omarkhanov | 18 | KAZ | 56 | +1 | | |
| 644 | 597 | | Ivan Ivanov | 17 | BUL | 55 | +10 | +1 | Qual. Nottingham 3 R2 | Lost in Qual. Wimbledon R1 | Lost in Qual. Wimbledon R1 Qual. Nottingham 3 R2 | 57 | 57 |
| 655 | 621 | | Samuel Alejandro Linde Palacios | 18 | COL | 54 | +1 | | Bogota R32 | Lost in Quito R32 | Lost in Quito R32 Bogota R32 | 60 | 129 |
| 683 | 634 | | Timofei Derepasko | 19 | RUS | 49 | +75 | +8 | | Lost in Kursumlijska Banja 7 R32 Lost in Kursumlijska Banja 8 F | |
| 689 | 586 | | Gabriel Ghetu | 18 | ROU | 48 | +34 | +3 | Iasi R32 | Qual. Brasov W Lost in Brasov R32 | Qual. Brasov W Lost in Brasov R32 Iasi R32 | 55 | 148 |
| 710 | 677 | | Kasra Rahmani | 19 | IRI | 46 | -7 | -1 | Qual. Liege R2 | | 48 | 48 |
| 724 | 604 | | Andres Santamarta Roig | 19 | ESP | 44 | +58 | +6 | Liege R32 | Lost in Brasov R16 | Lost in Brasov R16 Liege R32 | 48 | 94 |
| 733 | NCH (735) | | Nikolai Barsukov | 19 | GER | 44 | +2 | | | Lost in Kamen R32 | |
| 735 | 557 | | Pierluigi Basile | 19 | ITA | 43 | +104 | +12 | | Lost in Milan QF | |
| 743 | NCH (745) | | Nikita Belozertsev | 17 | UZB | 42 | +2 | | |
| 764 | 744 | | Daniel Jade | 17 | FRA | 40 | -11 | -1 | | |
| 778 | 491 | | Nicolas Arseneault | 19 | CAN | 38 | -104 | -13 | | |
| 787 | 774 | | Michael Antonius | 16 | USA | 37 | +2 | | |
| 804 | NCH (880) | | Daniele Rapagnetta | 19 | ITA | 36 | +91 | +10 | | Lost in Bergamo R32 Qual. Milan W Lost in Milan R16 | |
| 807 | 789 | | Andrew Johnson | 16 | USA | 35 | -10 | -1 | | |
| 822 | NCH (922) | | Andrea De Marchi | 19 | ITA | 34 | +100 | +10 | | Lost in Kursumlijska Banja 7 F Lost in Kursumlijska Banja 8 QF | |
| 835 | 824 | | Guto Miguel | 17 | BRA | 32 | -6 | | |
| 849 | NCH (853) | | Stefan Horia Haita | 19 | ROU | 31 | +8 | +2 | Qual. Iasi R2 | Lost in Brasov R32 | Lost in Brasov R32 Qual. Iasi R2 | 33 | 33 |
| 862 | 851 | | Keaton Hance | 18 | USA | 29 | -4 | | |
| 864 | NCH (968) | | Alan Ważny | 19 | POL | 29 | +107 | +8 | | Lost in Rzeszow F | |
| 866 | NCH (871) | | Alaa Trifi | 19 | TUN | 29 | +9 | +1 | | Lost in Monastir 30 R16 Lost in Monastir 31 R16 | |
| 869 | 856 | | Jangjun Kim | 19 | KOR | 28 | -13 | -1 | Qual. Wuning 5 R2 | | |
| 872 | NCH (913) | | Ryo Tabata | 18 | JPN | 28 | +45 | +4 | | Lost in Alkmaar QF Lost in Amstelveen QF | |
| 885 | 879 | | Ronit Karki | 18 | USA | 27 | -6 | | | Lost in Claremont R32 Lost in Qual. Cary R1 | |
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| 923 | 912 | | Jamie Mackenzie | 18 | GER | 24 | -7 | | |
| 930 | 921 | | William Rejchtman Vinciguerra | 19 | SWE | 24 | -9 | | | Lost in Amstelveen R32 Lost in Qual. Nottingham 3 R1 | |
| 937 | 805 | | Oliver Bonding | 19 | GBR | 23 | -101 | -8 | Nottingham 3 R32 | Lost in Qual. Wimbledon R1 | Lost in Qual. Wimbledon R1 Nottingham 3 R32 | 27 | 73 |
| 944 | 933 | | Egor Pleshivtsev | 19 | RUS | 23 | -9 | | |
| 947 | NCH (996) | | Kerem Yilmaz | 19 | TUR | 23 | +49 | +3 | | Lost in Kayseri 6 QF Lost in Kayseri 7 R16 | |
| 953 | 934 | | Žiga Šeško | 17 | SLO | 22 | -14 | | |
| 965 | 952 | | Yannick Theodor Alexandrescou | 18 | FRA | 21 | -3 | | |
| 970 | NCH (995) | | Maxwell Exsted | 19 | USA | 21 | +34 | +2 | | Lost in Claremont R16 Lost in San Diego R16 | |
| 972 | NCH 1035 | | Mickael Kaouk | 17 | FRA | 21 | +63 | +4 | | Lost in Troyes R16 | |
| 974 | 966 | | Sydney Zick | 19 | GER | 21 | +36 | +2 | | Lost in Alkmaar R16 Lost in Amstelveen R16 | |
| 976 | NCH (981) | | Yuta Tomida | 19 | JPN | 21 | +18 | +1 | | Lost in Wuning 3 R32 Lost in Wuning 4 R16 | |
| 988 | 900 | | Enzo Kohlmann De Freitas | 19 | BRA | 20 | -47 | -2 | San Salvador De Jujuy R32 | | |
| 992 | 973 | | Michele Mecarelli | 19 | ITA | 20 | -3 | | |
| 998 | 913 | | Kriish Tyagi | 19 | IND | 19 | +15 | +1 | | Lost in Hillcrest R16 | |
| 999 | 857 | | Charlie Robertson | 19 | GBR | 19 | +2 | | | Lost in Hillcrest R32 | |
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