ITF M15 Tsukuba 03/24 01:00 54 Ryotaro Shimomura v Naoki Tajima 6-3,1-6,10-5
ITF M25 Swan Hill 03/19 03:00 25 Naoki Tajima v Jesse Delaney 5-7,6-2,4-6
ITF M25 Mildura 03/11 23:50 19 Naoki Tajima v Sam Oster 6-3,3-6,6-10
ITF M25 Mildura 03/10 22:30 44 Naoki Tajima v Duncan McCall 6-4,6-2
ITF M25 Traralgon 02/27 23:00 25 [418] Naoki Tajima v Makoto Ochi [448] Retired
ITF M25 Traralgon 02/27 01:30 44 Naoki Tajima v Luke Sorensen 7-6,5-7,10-7
ITF M25 Traralgon 02/26 01:30 44 Naoki Tajima v Benjamin Loccisano 6-0,6-0
ITF M25 Traralgon 02/19 01:30 62 Naoki Tajima v Adrian Arcon 3-6,2-6
Challenger Burnie selejtezők 02/04 02:35 45 Jacob Bradshaw v Naoki Tajima 6-4,6-4
Challenger Burnie 01/28 03:40 45 Takuya Kumasaka v Naoki Tajima 6-4,7-6
ITF M25 Doha 01/18 12:00 27 [456] Naoki Tajima v Sandro Kopp [480] 3-6,1-6
ITF M25 Doha 01/17 12:30 26 Stefan Palosi v Naoki Tajima 4-6,7-5,3-6
ITF M25 Doha 01/16 12:00 25 Mashari Nawaf v Naoki Tajima 1-6,1-6
ITF M25 Doha 01/15 12:00 54 Naoki Tajima v Andrei Cuceu 6-2,6-1
ITF M25 Doha 01/14 16:00 54 Naoki Tajima v Nikita Bortnichek 6-1,6-0
ITF M15 Doha 01/11 12:00 26 Viacheslav Bielinskyi v Naoki Tajima 4-6,6-4,6-1
ITF M15 Doha 01/10 14:30 25 Naoki Tajima v Tanguy Genier Retired
ITF M15 Doha 01/09 12:00 54 Naoki Tajima v Matteo Covato 6-4,6-1
ITF M15 Doha 01/08 13:45 54 Naoki Tajima v Andrei Cuceu 6-1,6-2
ITF M25 Gold Coast 11/29 05:50 25 [483] Emile Hudd v Naoki Tajima [466] 6-4,6-4
ITF M25 Gold Coast 11/28 00:00 44 Naoki Tajima v Geni Inoue 6-4,3-6,10-5
Challenger Yokohama 11/20 01:00 19 [335] August Holmgren v Naoki Tajima [447] 3-6,7-5,6-3
Challenger Yokohama 11/19 01:00 14 [447] Naoki Tajima v Egor Gerasimov [366] 6-4,3-6,6-2
ITF M25 Cairns 10/11 00:00 25 Naoki Tajima v Jacob Brumm 2-6,5-7
ITF M25 Cairns 10/10 04:25 44 Naoki Tajima v Thomas Patton 7-6,6-0
ITF M25 Cairns 10/10 00:00 44 Naoki Tajima v Blake Bayldon 6-2,7-6
ITF M25 Cairns 10/05 00:00 26 [468] Naoki Tajima v Blake Ellis [403] 1-6,4-6
ITF M25 Cairns 10/04 02:55 25 Alexander Klintcharov v Naoki Tajima 6-0,4-6,4-6
ITF M25 Cairns 10/03 02:05 44 Naoki Tajima v Lawrence Bataljin 6-2,6-1
ITF M25 Cairns 10/02 02:30 44 Naoki Tajima v Hugo Joaquim Babakian 6-0,6-1