# 2003 Wimbledon Championships – Boys' singles

Todd Reid was the defending champion, but did not complete in the Juniors this year.
Florin Mergea defeated Chris Guccione in the final, 6–2, 7–6$^{(7–3)}$ to win the boys' singles tennis title at the 2003 Wimbledon Championships.

## Seeds

    01. Tomáš Berdych (quarterfinals)
    02. Brian Baker (quarterfinals)
    03. Dudi Sela (second round)
    04. Mathieu Montcourt (second round)
    05. György Balázs (first round)
    06. Florin Mergea (champion)
    07. Jo-Wilfried Tsonga (semifinals)
    08. Chris Guccione (final)
    09. Daniel Gimeno Traver (first round)
    10. Andy Murray (first round)
    11. Bruno Rosa (first round)
    12. Chris Kwon (third round)
    13. Leonardo Kirche (first round)
    14. Suk Hyun-joon (second round)
    15. Frederico Gil (third round)
    16. David Brewer (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 | Semifinals | Final | Final | Final | Final |
| 1 | Tomáš Berdych | 6$^5$ | 6$^5$ | | | | | | | | | | |
| 6 | Florin Mergea | 7$^7$ | 7$^7$ | | | | | | | | | | |
| 6 | Florin Mergea | 7$^7$ | 7$^7$ | | 6 | Florin Mergea | 6 | 6$^5$ | 6 | | | | |
| | | | | | 7 | Jo-Wilfried Tsonga | 4 | 7$^7$ | 4 | | | | |
| | Luis-Manuel Flores | 2 | 4 | | 7 | Jo-Wilfried Tsonga | 4 | 7$^7$ | 4 | | | | |
| 7 | Jo-Wilfried Tsonga | 6 | 6 | | | | | | | | | | |
| 7 | Jo-Wilfried Tsonga | 6 | 6 | | | | | | | 6 | Florin Mergea | 6 | 7$^7$ |
| | | | | | | | | | | | Chris Guccione | 2 | 6$^3$ |
| | Horia Tecău | 6 | 6$^4$ | 6 | | | | | | | | | | Chris Guccione | 2 | 6$^3$ |
| | Brendan Evans | 4 | 7$^7$ | 1 | | | | | | | | | |
| | Brendan Evans | 4 | 7$^7$ | 1 | | Horia Tecău | 3 | 4 | | | | | |
| | | | | | | Chris Guccione | 6 | 6 | | | | | |
| 8 | Chris Guccione | 7$^7$ | 7 | | | Chris Guccione | 6 | 6 | | | | | |
| 2 | Brian Baker | 6$^3$ | 5 | | | | | | | | | | |

### Top half
#### Section 1

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Tomáš Berdych | 7 | 6 | | | | | | | | | | | | | |
| | Andreas Weber | 5 | 4 | | 1 | T Berdych | 6 | 6 | | | | | | | | |
| | Adam Feeney | 6 | 7 | | | A Feeney | 4 | 1 | | | | | | | | |
| | Josselin Ouanna | 3 | 5 | | | | | | 1 | T Berdych | 6 | 6 | | | | |
| | Jaime Cuellar | 6$^5$ | 5 | | | | | | | J Goodall | 2 | 3 | | | | |
| | Josh Goodall | 7$^7$ | 7 | | | J Goodall | 6 | 7$^7$ | | | | | | | | |
| Q | Alex Kuznetsov | 7$^7$ | 6$^2$ | 4 | 14 | H-j Suk | 1 | 6$^5$ | | | | | | | | |
| 14 | Suk Hyun-joon | 6$^5$ | 7$^7$ | 6 | | | | | | | | | 1 | T Berdych | 6$^5$ | 6$^5$ |
| 11 | Bruno Rosa | 6 | 7 | | | | | | | | | | 6 | F Mergea | 7$^7$ | 7$^7$ |
| | Scott Oudsema | 4 | 5 | | 11 | B Rosa | 6 | 6 | | | | | | | | |
| | José Luis Muguruza | 2 | 2 | | WC | M Kasiri | 3 | 2 | | | | | | | | |
| WC | Miles Kasiri | 6 | 6 | | | | | | 11 | B Rosa | 2 | 3 | | | | |
| | Juan-Pablo Amado | 4 | 6 | 6 | | | | | 6 | F Mergea | 6 | 6 | | | | |
| | Romano Tatuhey | 6 | 3 | 3 | | J-P Amado | 2 | 6$^5$ | | | | | | | | |
| Q | Daniel Müller | 6$^3$ | 1 | | 6 | F Mergea | 6 | 7$^7$ | | | | | | | | |
| 6 | Florin Mergea | 7$^7$ | 6 | | | | | | | | | | | | | |

#### 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 |
| 3 | Dudi Sela | 6 | 3 | 6 | | | | | | | | | | | | | |
| | Karan Rastogi | 2 | 6 | 3 | 3 | D Sela | 4 | 4 | | | | | | | | | |
| | Rok Jarc | 5 | 4 | | | M Zverev | 6 | 6 | | | | | | | | | |
| | Mischa Zverev | 7 | 6 | | | | | | | M Zverev | 6$^8$ | 6 | 3 | | | | |
| | Lado Chikhladze | 3 | 6 | 5 | | | | | | L-M Flores | 7$^{10}$ | 3 | 6 | | | | |
| | Luis-Manuel Flores | 6 | 3 | 7 | | L-M Flores | 6 | 6 | | | | | | | | | |
| WC | Adam Fass | 2 | 2 | | 16 | D Brewer | 2 | 4 | | | | | | | | | |
| 16 | David Brewer | 6 | 6 | | | | | | | | | | | | L-M Flores | 2 | 4 |
| 12 | Chris Kwon | 4 | 6 | 6 | | | | | | | | | | 7 | J-W Tsonga | 6 | 6 |
| | Jarrett Chirico | 6 | 3 | 4 | 12 | C Kwon | 6 | 6 | | | | | | | | | |
| Q | Konstantin Kravchuk | 7$^7$ | 6 | | Q | K Kravchuk | 3 | 3 | | | | | | | | | |
| | Adrian Ungur | 6$^1$ | 1 | | | | | | 12 | C Kwon | 1 | 6$^5$ | | | | | |
| WC | Guy Thomas | 3 | 6 | | | | | | 7 | J-W Tsonga | 6 | 7$^7$ | | | | | |
| | Haythem Abid | 6 | 7 | | | H Abid | 2 | 4 | | | | | | | | | |
| WC | Tom Burn | 6$^5$ | 5 | | 7 | J-W Tsonga | 6 | 6 | | | | | | | | | |
| 7 | Jo-Wilfried Tsonga | 7$^7$ | 7 | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 5 | György Balázs | 4 | 2 | | | | | | | | | | | | | |
| | Horia Tecău | 6 | 6 | | | H Tecău | 6 | 7 | | | | | | | | |
| | Devin Mullings | 7$^7$ | 5 | 6 | | D Mullings | 3 | 5 | | | | | | | | |
| | Somdev Devvarman | 6$^3$ | 7 | 1 | | | | | | H Tecău | 6 | 6 | | | | |
| Q | Robert Smeets | 6 | 6 | | | | | | Q | R Smeets | 4 | 4 | | | | |
| | Phillip Simmonds | 4 | 3 | | Q | R Smeets | 6 | 6 | | | | | | | | |
| Q | Peter Steinberger | 6 | 6 | | Q | P Steinberger | 3 | 0 | | | | | | | | |
| 10 | Andy Murray | 4 | 4 | | | | | | | | | | H Tecău | 6 | 6$^4$ | 6 |
| 15 | Frederico Gil | 4 | 7$^7$ | 6 | | | | | | | | | B Evans | 4 | 7$^7$ | 1 |
| Q | Ross Hutchins | 6 | 6$^5$ | 4 | 15 | F Gil | 6 | 7$^7$ | | | | | | | | |
| Q | Mat Lowe | 6 | 6$^2$ | 6 | | M Lowe | 2 | 6$^4$ | | | | | | | | |
| | Tomislav Hadžić | 4 | 7$^7$ | 3 | | | | | 15 | F Gil | 1 | 2 | | | | |
| | Brendan Evans | 6 | 7$^7$ | | | | | | | B Evans | 6 | 6 | | | | |
| WC | Richard Irwin | 1 | 6$^3$ | | | B Evans | 7$^9$ | 6 | | | | | | | | |
| | Kim Sun-yong | 3 | 4 | | 4 | M Montcourt | 6$^7$ | 4 | | | | | | | | |
| 4 | Mathieu Montcourt | 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 8 | Chris Guccione | 6 | 6 | | | | | | | | | | | | | | |
| | Rafael Arévalo | 3 | 4 | | 8 | C Guccione | 6 | 6 | | | | | | | | | |
| | Pablo Figueroa | 6 | 6 | | | P Figueroa | 3 | 2 | | | | | | | | | |
| WC | Matthew Brown | 3 | 2 | | | | | | | 8 | C Guccione | 6 | 6 | | | | |
| | Robert Cameron | 1 | 0 | | | | | | | | S Rieschick | 3 | 4 | | | | |
| | Sebastian Rieschick | 6 | 6 | | | S Rieschick | 7 | 3 | 10 | | | | | | | | |
| | Gaël Monfils | 2 | 6 | 6 | | G Monfils | 5 | 6 | 8 | | | | | | | | |
| 9 | Daniel Gimeno Traver | 6 | 3 | 2 | | | | | | | | | | 8 | C Guccione | 7$^7$ | 7 |
| 13 | Leonardo Kirche | 6$^1$ | 3 | | | | | | | | | | | 2 | B Baker | 6$^3$ | 5 |
| | Jamie Baker | 7$^7$ | 6 | | | J Baker | 3 | 2 | | | | | | | | | |
| Q | Denis Zivkovic | 7$^7$ | 4 | 5 | | J Huta Galung | 6 | 6 | | | | | | | | | |
| | Jesse Huta Galung | 6$^5$ | 6 | 7 | | | | | | | J Huta Galung | 2 | 2 | | | | |
| | Fabio Fognini | 5 | 6 | 1 | | | | | | 2 | B Baker | 6 | 6 | | | | |
| WC | Fritz Wolmarans | 7 | 4 | 6 | | F Wolmarans | 5 | 6 | 3 | | | | | | | | |
| | Sergiy Stakhovsky | 6 | 4 | 2 | 2 | B Baker | 7 | 4 | 6 | | | | | | | | |
| 2 | Brian Baker | 2 | 6 | 6 | | | | | | | | | | | | | |