Tennis-Play.com developed a convenient service to search for tennis partners in Moscow and other cities. In the search form specify the country, city, district, sex, preferable age, choose time, player level and a game hour cost. Then click "Apply", and in the result you'll see the experts suiting your criteria. Impossible to learn playing tennis without a professional coach. It's better to alternate individual and group training — this way you can account for your errors, as well as the progress of other participants. And periodically, once or twice a month, you should participate in tennis tournaments, to see your game level and progress.
If you'll fail to find the required expert at once, you should search further, until you understand, which one will actually teach you high quality game.
Important to take into account how comfortable it is for you with this expert, his qualification, workload level.
Mastery depends on his pupils' skills, and whether they get prizes at different level tournaments. If his operational experience and total playing years make up many years, such master of sport can give more knowledge to his pupils. Usually you should look if he has education and certificates, confirming his level.