Specs for Tecnifibre X-One Biphase 17
| Stiffness | Low - 35% (163 lb/in) |
| Spin potential | Very low - 8% (1.6) |
| Tension loss | 18% |
| Energy return | 93% |
| Material | Multifilament |
| Color | Natural |
Latest updates
| 6-3, 2-6, 6-4 Hanglee def. Hiroki in Bay Area September 2018, 4.51 minute | |
| 6-3, 6-7, 7-5 alexmarkovits def. Edpham in Bay Area September 2018, 4.52 days | |
| 6-4, 6-4 jay23jack def. ncao in Bay Area October 2018, 4.02 days | |
| 4-6, 6-3, 6-3 stefano def. cpg in Bay Area October 2018, 4.04 days | |
| 6-1, 6-0 Hanglee def. karadouville in Bay Area September 2018, 4.59 days | |
| 6-0, 6-0 alexmarkovits def. Hiroki in Bay Area September 2018, 4.510 days | |
| 6-2, 5-7, 6-2 alexmarkovits def. Hiroki in Bay Area September 2018, 4.510 days | |
| 6-0, 6-0 cpg def. meabro in Bay Area October 2018, 4.011 days |