After his retirement, Stephens became a sports coach in both the mental and physical training sectors, fitness coaching Pete Sampras, Mark Philippoussis and his eventual wife, Zimbabwean tennis player Cara Black.
Mark Twain | Mark | Mark Wahlberg | Mark Knopfler | Mark Zuckerberg | Mark Rothko | Mark Antony | Mark the Evangelist | Gospel of Mark | Mark Ronson | Mark Spitz | Mark Foley | Mark Murphy (singer) | Mark Murphy | Mark McGwire | Mark Hamill | Deutsche Mark | Mark Taper Forum | Mark Millar | Mark Lewisohn | Mark Kermode | Mark Lanegan | Mark Waugh | Mark Rydell | Mark Goodson | Mark Owen | Mark Mothersbaugh | Mark Medoff | Mark Heard | Mark Dayton |
In 2004, Flanagan staged a shock upset when he beat Mark Philippoussis 7–6, 7–6, in the opening round of the Stella Artois Championship at Queen's Club.