| HARDCOURT | Tennis surface used in US Open (4,5) |
| ASTROTURF | Type of artificial sports surface used in football, e.g. (9) |
| WILDCARDS | Maybe competitors in US open state highway through remote area |
| MAT | Exercise surface, used in yoga |
| REP | Representative / a textile fabric with a corded surface used in curtains, upholstery |
| SETUPON | Contestant, finally appearing in US Open, prepared to attack (3,4) |
| WASHBOARD | Flat wooden structure with a corrugated surface used as a simple percussion instrument |
| CLAY | Saucer-shaped disc fired from a trap in a skeet-like sport; boxer Muhammad Ali's original surname; or, tennis court surface used at the French Open (4) |
| FLYLIKEANEAGLE | Steve Miller song now used in US Postal Service ads |
| GRIDIRON | Parallel bars used in US championship |
| TRESTLE | Type of timber bridge used in US railroad construction (7) |
| JANEDOE | Name used in US police investigations for an unknown female victim |
| DOLLARS | They're used in US, Canada, Australia, Hong Kong etc (7) |
| WESTWING | Point to part of car used in US political drama (4,4) |
| MAILBAG | Term used in America, a sack in which post is carried (7) |
| SLEEPER | Kipper tie used in America? |
| GAS | Chatter vapidly about petrol as used in America (3) |
| ROD | It's used in America for shooting stick (3) |
| LAWN | Tennis surface, sometimes |
| TRU | Har-___ (tennis surface) |