| | Event type
Foil, Individual, Boys
| Date | 9 October 2018 |
|---|---|
| Status | YOG |
| Location | Africa Pavilion, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires |
| Participants | 13 from 13 countries |
| Pos | Seed | Competitor | NOC | |||
|---|---|---|---|---|---|---|
| 1 | – | Armand Spichiger |  FRA | Gold | ||
| 2 | – | Kenji Bravo |  USA | Silver | ||
| 3 | – | Jonas Winterberg-Poulsen |  DEN | Bronze | ||
| 4 | – | Maciej Bem |  POL | |||
| 5 | – | Diego Cervantes |  MEX | |||
| 6 | – | Chen Yi-Tung |  TPE | |||
| 7 | – | Filippo Macchi |  ITA | |||
| 8 | – | Chan Pak Hei |  HKG | |||
| 9 | – | Matthew James Lim |  SGP | |||
| 10 | – | Lawrence Tan |  PHI | |||
| 11 | – | António Charréu |  POR | |||
| 12 | – | Robert Ciccarelli |  AUS | |||
| 13 | – | Loaay Marouf |  EGY |
Preliminary Round
| Date | 9 October 2018 — 9:00 |
|---|
Pool One
| Date | 9 October 2018 — 9:00 |
|---|
| Pos | Competitor | NOC | Bouts | Touches | ||
|---|---|---|---|---|---|---|
| 1 | Kenji Bravo | USA | 5-1 | 28-16 | ||
| 2 | Chen Yi-Tung | TPE | 4-2 | 27-19 | ||
| 3 | Filippo Macchi | ITA | 4-2 | 26-19 | ||
| 4 | Armand Spichiger | FRA | 4-2 | 23-18 | ||
| 5 | Lawrence Tan | PHI | 2-4 | 16-25 | ||
| 6 | António Charréu | POR | 1-5 | 18-28 | ||
| 7 | Robert Ciccarelli | AUS | 1-5 | 14-27 |
Pool Two
| Date | 9 October 2018 — 9:00 |
|---|
| Pos | Competitor | NOC | Bouts | Touches | ||
|---|---|---|---|---|---|---|
| 1 | Diego Cervantes | MEX | 5-0 | 25-15 | ||
| 2 | Jonas Winterberg-Poulsen | DEN | 3-2 | 23-16 | ||
| 3 | Chan Pak Hei | HKG | 3-2 | 22-17 | ||
| 4 | Matthew James Lim | SGP | 2-3 | 19-21 | ||
| 5 | Maciej Bem | POL | 2-3 | 16-20 | ||
| 6 | Loaay Marouf | EGY | 0-5 | 9-25 |
Round One
| Date | 9 October 2018 — 11:50 |
|---|
| Match | Date/Time | Competitor (Seed) | NOC | Result | Competitor (Seed) | NOC | |
|---|---|---|---|---|---|---|---|
| Bout #1 | 09 Oct | Maciej Bem | POL | 15 – 3 | Matthew James Lim | SGP | |
| Bout #2 | 09 Oct | Armand Spichiger | FRA | 15 – 6 | Robert Ciccarelli | AUS | |
| Bout #3 | 09 Oct | Filippo Macchi | ITA | 15 – 9 | Loaay Marouf | EGY | |
| Bout #4 | 09 Oct | Jonas Winterberg-Poulsen | DEN | 15 – 9 | António Charréu | POR | |
| Bout #5 | 09 Oct | Chan Pak Hei | HKG | 15 – 11 | Lawrence Tan | PHI |
Quarter-Finals
| Date | 9 October 2018 — 13:00 |
|---|
| Match | Date/Time | Competitor (Seed) | NOC | Result | Competitor (Seed) | NOC | |
|---|---|---|---|---|---|---|---|
| Bout #1 | 09 Oct | Maciej Bem | POL | 15 – 12 | Diego Cervantes | MEX | |
| Bout #2 | 09 Oct | Armand Spichiger | FRA | 15 – 8 | Filippo Macchi | ITA | |
| Bout #3 | 09 Oct | Jonas Winterberg-Poulsen | DEN | 15 – 10 | Chen Yi-Tung | TPE | |
| Bout #4 | 09 Oct | Kenji Bravo | USA | 15 – 7 | Chan Pak Hei | HKG |
Semi-Finals
| Date | 9 October 2018 — 16:30 |
|---|
| Match | Date/Time | Competitor (Seed) | NOC | Result | Competitor (Seed) | NOC | |
|---|---|---|---|---|---|---|---|
| Bout #1 | 09 Oct | Armand Spichiger | FRA | 15 – 8 | Maciej Bem | POL | |
| Bout #2 | 09 Oct | Kenji Bravo | USA | 15 – 13 | Jonas Winterberg-Poulsen | DEN |
Final Round
| Date | 9 October 2018 — 18:10 |
|---|
| Match | Date/Time | Location | Competitor (Seed) | NOC | Result | Competitor (Seed) | NOC | |
|---|---|---|---|---|---|---|---|---|
| Bout 1/2 | 09 Oct 19:05 | Final Piste | Armand Spichiger | FRA | 15 – 7 | Kenji Bravo | USA | |
| Bout 3/4 | 09 Oct 18:10 | Final Piste | Jonas Winterberg-Poulsen | DEN | 15 – 13 | Maciej Bem | POL |