| # | Group A | MP | W | L | TP | PCT | Form |
|---|---|---|---|---|---|---|---|
| 1. | Ukraine 3x3 U18 | 3 | 3 | 0 | 66:29 | 1.000 | |
| 2. | Kazakhstan 3x3 U18 | 3 | 2 | 1 | 50:50 | 0.667 | |
| 3. | Brazil 3x3 U18 | 3 | 1 | 2 | 37:52 | 0.333 | |
| 4. | Indonesia 3x3 U18 | 3 | 0 | 3 | 33:55 | 0.000 | |
| 5. | France 3x3 U18 | 0 | 0 | 0 | 0:0 | 0.000 | |
| # | Group B | MP | W | L | TP | PCT | Form |
| 1. | Lithuania 3x3 U18 | 4 | 3 | 1 | 82:75 | 0.750 | |
| 2. | Dominican Republic 3x3 U18 | 4 | 3 | 1 | 76:65 | 0.750 | |
| 3. | Russia 3x3 U18 | 4 | 2 | 2 | 72:75 | 0.500 | |
| 4. | Mongolia 3x3 U18 | 4 | 1 | 3 | 70:72 | 0.250 | |
| 5. | Hungary 3x3 U18 | 4 | 1 | 3 | 51:64 | 0.250 | |
| # | Group C | MP | W | L | TP | PCT | Form |
| 1. | Egypt 3x3 U18 | 4 | 4 | 0 | 71:52 | 1.000 | |
| 2. | Belarus 3x3 U18 | 4 | 3 | 1 | 79:61 | 0.750 | |
| 3. | Israel 3x3 U18 | 4 | 1 | 3 | 68:69 | 0.250 | |
| 4. | Romania 3x3 U18 | 4 | 1 | 3 | 50:73 | 0.250 | |
| 5. | Germany 3x3 U18 | 4 | 1 | 3 | 50:63 | 0.250 | |
| # | Group D | MP | W | L | TP | PCT | Form |
| 1. | USA 3x3 U18 | 3 | 3 | 0 | 64:38 | 1.000 | |
| 2. | Estonia 3x3 U18 | 3 | 2 | 1 | 59:49 | 0.667 | |
| 3. | Slovenia 3x3 U18 | 3 | 1 | 2 | 51:61 | 0.333 | |
| 4. | Latvia 3x3 U18 | 3 | 0 | 3 | 38:64 | 0.000 |