Semifinal
samedi 28 septembre 2019, 17h45 GMT – 17h45 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Christian Coleman | United States | 9.88″ |
| 2 |  Akani Simbine | South Africa | + 0.13″ |
| 3 |  Zharnel Hughes | Great Britain | + 0.17″ |
| 4 |  Andre De Grasse | Canada | + 0.19″ |
| 5 |  Yohan Blake | Jamaica | + 0.21″ |
| 6 |  Justin Gatlin | United States | + 0.21″ |
| 7 |  Filippo Tortu | Italy | + 0.23″ |
| 8 |  Tyquendo Tracey | Jamaica | + 0.23″ |
| 9 |  Mike Rodgers | United States | + 0.24″ |
| 10 |  Aaron Brown | Canada | + 0.24″ |
| 11 | Adam Gemili | Great Britain | + 0.25″ |
| 12 |  Zhenye Xie | China | + 0.26″ |
| 12 | Paulo André De Oliveira | Brazil | + 0.26″ |
| 14 |  Abdul hakim Sani brown | Japan | + 0.27″ |
| 15 | Yoshihide Kiryu | Japan | + 0.28″ |
| 16 |  Jimmy Vicaut | FFA - France Athlétisme | + 0.28″ |
| 17 |  Taymir Burnet | Netherlands | + 0.3″ |
| 18 | Raymond Ekevwo | Nigeria | + 0.32″ |
| 19 | Lamont Marcell Jacobs | Italy | + 0.32″ |
| 20 | Ojie Edoburun | Great Britain | + 0.34″ |
| 21 |  Bingtian Su | China | + 0.35″ |
| 22 | Yuki Koike | Japan | + 0.4″ |
| 23 | Emmanuel Matadi | Liberia | + 0.4″ |
| 24 | Arthur Cissé | Ivory Coast | + 0.46″ |