"It's firm, there is a covering of grass on it, so it is looking like it will be a good pitch to me," Gray told BBC Radio of the Rose Bowl pitch that awaits India and England for the third Test starting Sunday.
Hampshire head groundsman Gray believes the Ageas Bowl pitch is in good shape for the match.
"It won't be as grassy as Lord's was when that Test started, it will be much more like the Test we had against Sri Lanka three or four years ago, which was a good pitch. It went through, there was a bit in it for the bowlers and the batsman can play their shots, so I'm expecting very similar," he said.
The Trent Bridge pitch for the first Test earlier in July was rated "poor" by the International Cricket Council. It attracted criticism from both ex-players and the media.
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The Lord's Test, which England lost, began with a green strip but flattened out as the match progressed.
Gray said a pitch with assistance for the bowlers would be much better than one which is flat.
Gray admitted to a few nerves ahead of the first ball and revealed they had met with ECB representatives over how they wanted the pitch to be.
"I don't feel pressure. Every groundsman is under scrutiny, as are the players. There are a lot of media hours to fill these days so everyone is inspected quite intensely. After 24 years of being head groundsman you still get nervous. I'm confident we've produced a good pitch, I just hope it turns out alright and that the players produce a good game of cricket," Gray said.