| Date: | 12–18 November |
| Edition: | 4th |
| Location: | Kobe, Japan |
| Champs: |  Tatsuma Ito |
| Champd: | Gonçalo Oliveira /  Akira Santillan |
The 2018 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 4th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Kobe, Japan between 12 and 18 November 2018.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Japan | Yoshihito Nishioka | 81 | 1 | |
| Japan | Tatsuma Ito | 165 | 2 | |
| Japan | Hiroki Moriya | 185 | 3 | |
| Japan | Go Soeda | 190 | 4 | |
 Korea, Republic of | ||||
| Japan | Yasutaka Uchiyama | 217 | 6 | |
| Japan | Yosuke Watanuki | 219 | 7 | |
| Korea, Republic of | Kwon Soon-woo | 220 | 8 |
The following players received wildcards into the singles main draw:
Hiroyasu Ehara Shinji Hazawa Shuichi Sekiguchi Kaito UesugiThe following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
See main article: 2018 Kobe Challenger – Singles.
Tatsuma Ito def. Yosuke Watanuki 3–6, 7–5, 6–3.See main article: 2018 Kobe Challenger – Doubles.
Akira Santillan def. 
Li Zhe / Go Soeda 2–6, 6–4, [12–10].