# 1970 Wimbledon Championships – Boys' singles

Byron Bertram successfully defended his title, defeating Frank Gebert in the final, 6–0, 6–3 to win the boys' singles tennis title at the 1970 Wimbledon Championships.

## 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

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| Stephen Warboys | Stephen Warboys | 3 | 3 | | | | |
| Frank Gebert | Frank Gebert | 6 | 6 | | | | |
| Frank Gebert | Frank Gebert | 6 | 6 | Frank Gebert | Frank Gebert | 0 | 3 |
| | | | | Byron Bertram | Byron Bertram | 6 | 6 |
| Byron Bertram | Byron Bertram | 6 | 6 | Byron Bertram | Byron Bertram | 6 | 6 |
| Kim Warwick | Kim Warwick | 4 | 2 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | Samir Farid | Samir Farid | 1 | 6 | 4 | | | | | | | | | |
| P Ormen | P Ormen | 6 | 2 | 3 | C Larsen | C Larsen | 6 | 3 | 6 | | | | | | | | | |
| C Larsen | C Larsen | 4 | 6 | 6 | | | | | | C Larsen | C Larsen | 1 | 3 | | | | | |
| A Farooq | A Farooq | 0 | 2 | | | | | | | S Warboys | S Warboys | 6 | 6 | | | | | |
| Stephen Warboys | Stephen Warboys | 6 | 6 | | S Warboys | S Warboys | 6 | 6 | | | | | | | | | | |
| Rolf Norberg | Rolf Norberg | 6 | 3 | 5 | R Cižek | R Cižek | 1 | 3 | | | | | | | | | | |
| Radovan Cižek | Radovan Cižek | 4 | 6 | 7 | | | | | | | | | | | S Warboys | S Warboys | 3 | 3 |
| Frank Gebert | Frank Gebert | 6 | 6 | | | | | | | | | | | | F Gebert | F Gebert | 6 | 6 |
| W Campbell | W Campbell | 0 | 3 | | F Gebert | F Gebert | 6 | 6 | | | | | | | | | | |
| L Hegren | L Hegren | w/o | | | D Frere | D Frere | 1 | 2 | | | | | | | | | | |
| D Frere | D Frere | | | | | | | | | F Gebert | F Gebert | 6 | 3 | 6 | | | | |
| Matti Timonen | Matti Timonen | 2 | 4 | | | | | | | J Herrera | J Herrera | 4 | 6 | 3 | | | | |
| Juan Herrera | Juan Herrera | 6 | 6 | | J Herrera | J Herrera | 6 | 7 | | | | | | | | | | |
| AA Ibrahim | AA Ibrahim | 1 | 3 | | G Wimmer | G Wimmer | 0 | 5 | | | | | | | | | | |
| Gerhard Wimmer | Gerhard Wimmer | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| Jean-François Caujolle | Jean-François Caujolle | 1 | 0 | | | | | | | | | | | | | |
| Byron Bertram | Byron Bertram | 6 | 6 | B Bertram | B Bertram | 6 | 6 | | | | | | | | | |
| A Constandse | A Constandse | 6 | 6 | A Constandse | A Constandse | 1 | 2 | | | | | | | | | |
| Dragan Stojović | Dragan Stojović | 4 | 0 | | | | | | B Bertram | B Bertram | 8 | 6 | | | | |
| E Eckhoff | E Eckhoff | 2 | 0 | | | | | | G Vilas | G Vilas | 6 | 3 | | | | |
| Guillermo Vilas | Guillermo Vilas | 6 | 6 | G Vilas | G Vilas | 6 | 9 | 7 | | | | | | | | |
| Sashi Menon | Sashi Menon | 6 | 6 | S Menon | S Menon | 1 | 11 | 5 | | | | | | | | |
| E Vanderpol | E Vanderpol | 1 | 4 | | | | | | | | | | B Bertram | B Bertram | 6 | 6 |
| Atet Wijono | Atet Wijono | 2 | 3 | | | | | | | | | | K Warwick | K Warwick | 4 | 2 |
| Kim Warwick | Kim Warwick | 6 | 6 | K Warwick | K Warwick | 6 | 8 | | | | | | | | | |
| Balázs Taróczy | Balázs Taróczy | | | B Taróczy | B Taróczy | 3 | 6 | | | | | | | | | |
| O Diva | O Diva | w/o | | | | | | | K Warwick | K Warwick | 6 | 6 | | | | |
| A Rudj | A Rudj | 1 | 1 | | | | | | W Fibak | W Fibak | 3 | 4 | | | | |
| Wojciech Fibak | Wojciech Fibak | 6 | 6 | W Fibak | W Fibak | 7 | 8 | | | | | | | | | |
| | | | | Compton Russell | Compton Russell | 5 | 6 | | | | | | | | | |