This is the place where you can share your blitz replays or watch blitz replays recorded by others. Email your replay to [email protected] to make it added to the library and receive the download link.
You can also automatically upload your replays by using Discord bots: wotbot and SerBot. Whenever you post replay into discord channel the bot uploads it to the database and shows you nice stats about your battle.
Or upload the file directly from your computer or provide the link to it. To sum up, to get your replays added to the database