| New frame Yonex VCORE Pro 100 (280) addedover 6 years |
| kazuyasui added a stringing of ISOSPEED Professional Classic 17 to Dunlop BioFibre F3.1 Tour over 6 years |
| kazuyasui added a stringing of Gosen AK Pro 17 to Dunlop Biomimetic F3.0 Tour over 6 years |
| kazuyasui added a stringing of Luxilon 4G Soft 1.25 to Wilson Pro Staff RF97 Autograph over 6 years |
| kazuyasui added racket Wilson Pro Staff RF97 Autograph over 6 years |
| kazuyasui added racket Dunlop Biomimetic F3.0 Tour over 6 years |
| kazuyasui added racket Dunlop BioFibre F3.1 Tour over 6 years |
| 7-5, 6-1 mnchiu def. moody in Bay Area January Yellow 2018, 4.0over 6 years |
| 6-0, 6-1 cpg def. kktnns in Bay Area January Red 2018, 4.0over 6 years |
| 6-4, 6-3 Hiroki def. dlhtran in Bay Area January 2018, 4.5over 6 years |
| 6-1, 7-6 cpg def. ericfbrinkley in Bay Area January Yellow 2018, 4.0over 6 years |
| 7-6, 6-2 moody def. taku in Bay Area January Yellow 2018, 4.0over 6 years |
| 6-2, 6-3 cpg def. alex in Bay Area January Red 2018, 4.0over 6 years |
| 6-0, 6-4 samberia95 def. dannywhite in Bay Area January 2018, 3.5over 6 years |
| 6-3, 6-0 taku def. ericfbrinkley in Bay Area January Yellow 2018, 4.0over 6 years |