Looks like these are the original Asics Gel Domain shoes.
I’ve seen these on Kylie Lindsay from New Zealand, who was wearing them at the Hong Kong Open.
Here’s Spanish #1 Borja Golan sporting these:
Image via SquashSite ∞
And here’s German #1 Simon Rosner:
There’s also this red guy:
Also check out the Asics Gel Domain 2, as worn by Mohamed El Shorbagy.