John Francis on Nostr: npub1nn8hk…58sed Viktor Shapovalov, father of Canadian tennis player Denis ...npub1nn8hklwdpkf5uryfma85h4uvr997r96v4pfek8f5x5x6lm7azleqt58sed (npub1nn8…8sed) Viktor Shapovalov, father of Canadian tennis player Denis Shapovalov