It is very simple:
Select a player and as soon as his/her match is finished you'll be notified right on your iPhone or Android phone.

And there is more:
- my players overview,
- my players scheduled matches,
- tournament calendars,
- tournament details,
- up to date results,
- players playing activities (back to 2001),
- newest rankings,
- head to head statistics,
- comments,
- players parameters,
- and much more