The ex-Orlando Pirates attacker played 90 minutes for Istanbulspor in a recent friendly against Adanaspor, helping the side win 2-0 courtesy of goals from Muhammed Demirci and Mehmet Yeşil in Karacasu.
According to a source, Rakhale, 28, is set to discuss personal terms with the second-tier outfit.
"The club has been impressed with Rakhale," says the source.
"They want to sign him.
"They are expected to meet this week to discuss personal terms."
Rakhale, who was previously linked with a move to Kaizer Chiefs, initially joined Chippa in January from Pirates. He scored twice and provided two assists in 24 outings in 2017/18.