[1][2][3] A strong counterpuncher, he made up for his 5-foot-7-inch (1.70 m) size with good court awareness, grit, and a willingness to play through injury.

[6] As the team captain in his senior year in 1988–89, he missed half of the season due to a sore shoulder and other injuries and fell to No.

[1] Kalbas served as the head coach of the William & Mary Tribe women's team from 1992 to 2003.

[9][10] One of his North Carolina players has won an NCAA singles title (Jamie Loeb in 2015), and three North Carolina teams have won the NCAA doubles title (Jenna Long/Sara Anundsen in 2007, Makenna Jones/Elizabeth Scotty in 2021, and Fiona Crawley/Carson Tanguilig in 2023).

[11][12] The active leader in NCAA Division I dual match wins as a coach, he has signed a contract extension with North Carolina through 2027.