ASICS Gel-Resolution X vs. Nike Zoom GP Challenge 1.5

Two of the biggest names in tennis footwear built their flagship shoes around different paths to the same goal: keeping you comfortable and stable through a long match. The ASICS Gel-Resolution X leans into cushioning and lateral support built for baseline grinders. The Nike Zoom GP Challenge 1.5, worn by Jannik Sinner and Mirra Andreeva, pairs double Air Zoom units with a stability plate for players who want a spring in every step. Here's how they stack up.

Quick Comparison

ASICS Gel-Resolution X: Built for Comfort First

The Gel-Resolution line has been a bestseller for a decade, and version 10 doubles down on comfort without giving up the lateral support that made it a baseliner favorite. The upper wraps the foot with a bit more width than the Resolution 8 and 9, and added eyelets let you tailor the fit across the top of your foot. If you've struggled with metatarsal pain in past shoes, the gel unit placed directly in the forefoot solves that problem out of the box.

Fit and Comfort

This is where the Resolution X sets itself apart. Past versions ran narrow, and while that fit was great when it matched your foot shape, it left a lot of players out. The X widens the forefoot and lets you choose between wider-set eyelets or the traditional placement, so you can dial in the fit yourself rather than settling for whatever the shoe gives you.

Stability

The DYNAWALL system extends into the heel to add lateral support during quick transitions, and the medial side of the ankle collar sits higher than the lateral side. That combination gives you stability on hard cuts without sacrificing the agility you need to get back to center court. It's worth trying on first, though. Some players find the higher medial collar rubs or feels restrictive, so this is one area where fit comes down to personal preference.

Durability

ASICS backs the Resolution X with a six-month outsole warranty, matching the previous version. The outsole grips well and holds up to hard court abuse, while the upper stays flexible enough for quick movement without breaking down early.

One sizing note before you order: the men's Gel-Resolution X runs slightly large, while the women's version runs slightly small. Keep that in mind or check with the Houston Superstore team before locking in your size.

Nike Zoom GP Challenge 1.5: Built for Speed and Support

The GP Challenge 1.5 is Jannik Sinner's shoe of choice, and it's built around a simple idea: give the player spring off the ground and support on landing. Two Air Zoom units, one in the forefoot and one in the heel, handle that job, while a midfoot TPU plate keeps the foot stable during hard direction changes.

Cushioning

Most tennis shoes use one cushioning element. The GP Challenge 1.5 uses two. The forefoot Air Zoom unit adds spring to your first step, and the heel unit supports landings after a sprint. Together, they make this one of the more cushioned shoes in Nike's tennis line.

Stability

The midfoot TPU plate adds power and stability during transitions, which pairs well with the traditional U-throat design. That throat style makes the shoe easy to get on and adjust, and the extra-padded, breathable mesh tongue keeps things comfortable through long matches.

Durability

Nike reinforced the medial toe with extra rubber to handle the wear that comes from dragging your foot during serves and slides, and the forefoot uses high-abrasion rubber for added traction on hard courts. Version 1.5 also improves on the original with medial eyelet webbing, a more durable toe tip, a new tongue gusset to stop the tongue from sliding, and a base mesh built for a more premium feel.

The GP Challenge 1.5 runs true to size. Compared to Nike's Vapor 12, which fits snug, the GP Challenge has a more forgiving fit through the upper without running roomy.

Which Shoe Should You Buy?

If you play from the baseline and want a wider fit with a customizable lockdown, the ASICS Gel-Resolution X is the easier recommendation. It's comfortable right out of the box, backed by a six-month warranty, and gives your forefoot relief if past shoes left you with pressure points.

If your game depends on quick transitions and you want cushioning at both ends of your foot, the Nike Zoom GP Challenge 1.5 gives you that spring without losing the stability you need to change direction fast. Sinner's game is built on movement, and this shoe is designed to support exactly that style of play.

Both shoes are built for hard courts, and both hold up to the demands of regular match play. The real difference comes down to fit preference and how much cushioning versus plate-driven stability you want underfoot.

• Wide foot or forefoot pain history: ASICS Gel-Resolution X
• Aggressive, all-court movement: Nike Zoom GP Challenge 1.5
• Want an outsole warranty: ASICS Gel-Resolution X
• Want two cushioning zones: Nike Zoom GP Challenge 1.5

Not sure which one fits your foot best? We have the largest selection of tennis shoes, and the staff to help you find the right fit.