| Answer | Crossword Clue |
|---|---|
| SEALEVEL | Altitude baseline |
| PAR | Links baseline |
| AXIS | Graph baseline |
| UMP | Baseline enforcer |
| FOUL | Baseline ump's call |
| OUT | Beyond the baseline |
| AXIS | Baseline on a graph |
| UMP | Official on a baseline |
| LONG | Past the baseline, in tennis |
| LONG | Beyond the baseline, in tennis |
