Steffi Graf (GER) competing at the 1988 US Open in the year she won the Golden Slam Stock Photo - Alamy
Steffi Graf of Germany raises the trophy after winning the Australian... News Photo - Getty Images
On This Day: Steffi Graf completes the "Golden Slam"
For Steffi Graf in '88, First Round Was a Breeze - The New York Times
Stefanie Graf
Steffi Graf Fan Page 🐐 on Instagram: “Steffi wrapped up 1988 with a win over Manuela Maleeva at Brighton (6-2 6-0) and a loss to Pam Shriver at the Championships in New York.…”
Watch: On the anniversary of Steffi Graf's Grand Slam, a look back at her golden 1988
Tennis' only Golden Slam winner: Steffi Graf's dream run in 1988
October 1, 1988: Steffi Graf wins Olympic gold for an amazing achievement
Steffi Graf - 1988. The Grand Slam year - West Germany
Official Site of the 2023 US Open Tennis Championships - A USTA Event