# 1990 Wimbledon Championships – Boys' singles

Leander Paes defeated Marcos Ondruska in the final, 7–5, 2–6, 6–4 to win the boys' singles tennis title at the 1990 Wimbledon Championships.

## Seeds

    01. Martin Damm (second round)
    02. Marcos Ondruska (final)
    03. Oliver Fernández (second round)
    04. Hernán Gumy (third round)
    05. Sébastien Leblanc (third round)
    06. Andriy Medvedev (third round)
    07. Ivan Baron (semifinals)
    08. Pavel Gazda (quarterfinals)
    09. Jan Kodeš (first round)
    10. Clinton Marsh (first round)
    11. Leander Paes (champion)
    12. Narathorn Srichaphan (quarterfinals)
    13. Mårten Renström (third round)
    14. Andrei Rybalko (second round)
    15. Saša Hiršzon (quarterfinals)
    16. Grant Doyle (second round)
Click on the seed number of a player to go to their draw section.

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 15 | Saša Hiršzon | 3 | 6$^4$ | | | | | | | | | | |
| 7 | Ivan Baron | 6 | 7$^7$ | | | | | | | | | | |
| 7 | Ivan Baron | 6 | 7$^7$ | | 7 | Ivan Baron | 4 | 2 | | | | | |
| | | | | | 11 | Leander Paes | 6 | 6 | | | | | |
| | Paul Kilderry | 6$^5$ | 0 | | 11 | Leander Paes | 6 | 6 | | | | | |
| 11 | Leander Paes | 7$^7$ | 6 | | | | | | | | | | |
| 11 | Leander Paes | 7$^7$ | 6 | | | | | | 11 | Leander Paes | 7 | 2 | 6 |
| | | | | | | | | | 2 | Marcos Ondruska | 5 | 6 | 4 |
| 12 | Narathorn Srichaphan | 3 | 7$^8$ | 2 | | | | | | | | | | 2 | Marcos Ondruska | 5 | 6 | 4 |
| | Joshua Eagle | 6 | 6$^6$ | 6 | | | | | | | | | |
| | Joshua Eagle | 6 | 6$^6$ | 6 | | Joshua Eagle | 6$^2$ | 2 | | | | | |
| | | | | | 2 | Marcos Ondruska | 7$^7$ | 6 | | | | | |
| 8 | Pavel Gazda | 1 | 6 | 3 | 2 | Marcos Ondruska | 7$^7$ | 6 | | | | | |
| 2 | Marcos Ondruska | 6 | 3 | 6 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Martin Damm | 6 | 6 | | | | | | | | | | | | | | | |
| | Nathapol Ploysuk | 2 | 1 | | 1 | M Damm | 6 | 6$^5$ | 7 | | | | | | | | | |
| | Jonathan Haycock | 6 | 6 | | | J Haycock | 2 | 7$^7$ | 9 | | | | | | | | | |
| | Tom Vanhoudt | 3 | 3 | | | | | | | | J Haycock | 5 | 2 | | | | | |
| | Ernesto Muñoz de Cote | 6 | 6 | | | | | | | 15 | S Hiršzon | 7 | 6 | | | | | |
| | Christian Ruud | 3 | 3 | | | E Muñoz de Cote | 4 | 4 | | | | | | | | | | |
| | David Witt | 4 | 6 | 7 | 15 | S Hiršzon | 6 | 6 | | | | | | | | | | |
| 15 | Saša Hiršzon | 6 | 4 | 9 | | | | | | | | | | | 15 | S Hiršzon | 3 | 6$^4$ |
| 10 | Clinton Marsh | 1 | 6$^8$ | | | | | | | | | | | | 7 | I Baron | 6 | 7$^7$ |
| | Chris Cocotos | 6 | 7$^{10}$ | | | C Cocotos | 6 | 6 | | | | | | | | | | |
| | Juan Garat | 6 | 7 | | | J Garat | 3 | 4 | | | | | | | | | | |
| | Umesha Wallooppillai | 4 | 5 | | | | | | | | C Cocotos | 6 | 6$^5$ | 4 | | | | |
| | Laurence Tieleman | 6 | 7$^7$ | | | | | | | 7 | I Baron | 4 | 7$^7$ | 6 | | | | |
| | Gábor Németh | 3 | 6$^3$ | | | L Tieleman | 4 | 2 | | | | | | | | | | |
| | Im Ji-heon | 3 | 6$^1$ | | 7 | I Baron | 6 | 6 | | | | | | | | | | |
| 7 | Ivan Baron | 6 | 7$^7$ | | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 4 | Hernán Gumy | 6 | 6 | | | | | | | | | | | | | | |
| | Natsuki Harada | 4 | 1 | | 4 | H Gumy | 6 | 6 | | | | | | | | | |
| | Scott Gessner | 6 | 7 | | | S Gessner | 4 | 3 | | | | | | | | | |
| | Jon Leach | 4 | 5 | | | | | | 4 | H Gumy | 0 | 2 | | | | | |
| | Paul Kilderry | 6 | 6 | | | | | | | P Kilderry | 6 | 6 | | | | | |
| | Fernando Cabrera | 2 | 4 | | | P Kilderry | 6 | 6 | | | | | | | | | |
| | Joaquín Elola | 2 | 4 | | 14 | A Rybalko | 3 | 4 | | | | | | | | | |
| 14 | Andrei Rybalko | 6 | 6 | | | | | | | | | | | | P Kilderry | 6$^5$ | 0 |
| 11 | Leander Paes | 6 | 6 | | | | | | | | | | | 11 | L Paes | 7$^7$ | 6 |
| | Nick Adams | 1 | 4 | | 11 | L Paes | 6 | 6 | | | | | | | | | |
| | Arata Ito | 2 | 7 | 6 | | A Ito | 3 | 4 | | | | | | | | | |
| | Marcelo Achondo | 6 | 5 | 4 | | | | | 11 | L Paes | 5 | 6 | 6 | | | | |
| | Mikael Tillström | 4 | 6 | 6 | | | | | 5 | S Leblanc | 7 | 3 | 0 | | | | |
| | Lukáš Hovorka | 6 | 3 | 3 | | M Tillström | 3 | 6$^4$ | | | | | | | | | |
| | Dante Magnoni | 2 | 4 | | 5 | S Leblanc | 6 | 7$^7$ | | | | | | | | | |
| 5 | Sébastien Leblanc | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 6 | Andriy Medvedev | 6 | 2 | 6 | | | | | | | | | | | | | | |
| | Jamie Holmes | 3 | 6 | 4 | 6 | A Medvedev | 6 | 6 | | | | | | | | | | |
| | Hideki Kaneko | 7 | 6 | | | H Kaneko | 1 | 4 | | | | | | | | | | |
| | John-Laffnie de Jager | 5 | 2 | | | | | | 6 | A Medvedev | 7 | 2 | 3 | | | | | |
| | Giles Gibson | 6$^3$ | 6 | 6 | | | | | 12 | N Srichaphan | 5 | 6 | 6 | | | | | |
| | Pablo Campana | 7$^7$ | 3 | 4 | | G Gibson | 4 | 2 | | | | | | | | | | |
| | Bertrand Madsen | 4 | 1 | | 12 | N Srichaphan | 6 | 6 | | | | | | | | | | |
| 12 | Narathorn Srichaphan | 6 | 6 | | | | | | | | | | | 12 | N Srichaphan | 3 | 7$^8$ | 2 |
| 13 | Mårten Renström | 7 | 6 | | | | | | | | | | | | J Eagle | 6 | 6$^6$ | 6 |
| | Teddy Tandjung | 5 | 1 | | 13 | M Renström | 7$^8$ | 6 | | | | | | | | | | |
| | Andrew Foster | 6 | 2 | 8 | | I Rotman | 6$^6$ | 4 | | | | | | | | | | |
| | Ignace Rotman | 4 | 6 | 10 | | | | | 13 | M Renström | 3 | 1 | | | | | | |
| | Joshua Eagle | 6 | 6 | | | | | | | J Eagle | 6 | 6 | | | | | | |
| | Terumasa Hioki | 4 | 1 | | | J Eagle | 7$^7$ | 6 | | | | | | | | | | |
| | Wayne Black | 2 | 0 | | 3 | O Fernández | 6$^4$ | 0 | | | | | | | | | | |
| 3 | Oliver Fernández | 6 | 6 | | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 8 | Pavel Gazda | 4 | 6 | 8 | | | | | | | | | | | | | | | |
| | Luis Morejón | 6 | 3 | 6 | 8 | P Gazda | 6 | 6 | | | | | | | | | | | |
| | John Barton | 2 | 6 | 6 | | J Barton | 4 | 2 | | | | | | | | | | | |
| | Alistair Hunt | 6 | 2 | 3 | | | | | | 8 | P Gazda | 7 | 4 | 6 | | | | | |
| | Tamer El-Sawy | 4 | 6 | 6 | | | | | | | B MacPhie | 5 | 6 | 3 | | | | | |
| | Johan Alvén | 6 | 1 | 4 | | T El-Sawy | 6 | 3 | 2 | | | | | | | | | | |
| | Brian MacPhie | 6 | 6 | | | B MacPhie | 2 | 6 | 6 | | | | | | | | | | |
| 9 | Jan Kodeš | 3 | 1 | | | | | | | | | | | | 8 | P Gazda | 1 | 6 | 3 |
| 16 | Grant Doyle | 4 | 6 | 7 | | | | | | | | | | | 2 | M Ondruska | 6 | 3 | 6 |
| | Filip Dewulf | 6 | 4 | 5 | 16 | G Doyle | 0$^r$ | | | | | | | | | | | | |
| | Sébastien Lareau | 6 | 6$^9$ | 3 | | K Carlsen | 1 | | | | | | | | | | | | |
| | Kenneth Carlsen | 4 | 7$^{11}$ | 6 | | | | | | | K Carlsen | 4 | 6 | 2 | | | | | |
| | Benny Wijaya | 2 | 7 | 7 | | | | | | 2 | M Ondruska | 6 | 1 | 6 | | | | | |
| | Patricio Delgado | 6 | 5 | 5 | | B Wijaya | 2 | 0 | | | | | | | | | | | |
| | Óscar Ortiz | 2 | 7$^8$ | 4 | 2 | M Ondruska | 6 | 6 | | | | | | | | | | | |
| 2 | Marcos Ondruska | 6 | 6$^6$ | 6 | | | | | | | | | | | | | | | |