Australian Open 
Australian Open Istanbul 
26:03 
| Best 2021: | 397 |
| Best 2020: | 336 |
| Best 2019: | 267 |
| Best | 267 |
Collin Altamirano | |
| Country | USA |
| Age | 25 yo / 188 cm / 85 kg |
| Forehand | Right Handed (Double hand) |
| Turned pro | 2017 |
| Birthplace/Residence | Sacramento CA / Sacramento, California |
| Coach | Joseph Gilbert/Thom Billadeau/Jimmy Roberts |
| Earnings | 172,080$ |
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