Mike Sangster

!Result

!Result

!Year

!Year

!style="width:140px"|Championship

!style="width:155px"|Championship

!Surface

!Surface

!style="width:130px"|Partner

!style="width:130px"|Partner

!style="width:130px"|Opponents

!style="width:130px"|Opponents

!style="width:105px" class="unsortable"|Score

!style="width:100px" class="unsortable"|Score

|-

|-

| style="background:#ffa07a;"|Loss || [[1964 U.S. National Championships (tennis)|1964]] || style="background:#ccccff;"|U.S. Championships || Grass || {{flagicon|GBR}} [[Graham Stilwell]] || {{flagicon|USA}} Chuck McKinley<br />{{flagicon|USA}} [[Dennis Ralston]] || 3–6, 2–6, 4–6

| style="background:#ffa07a;"|Loss || [[1964 U.S. National Championships (tennis)|1964]] || style="background:#ccccff;"|U.S. Championships || Grass || {{flagicon|GBR}} [[Graham Stilwell]] || {{flagicon|USA}} Chuck McKinley<br />{{flagicon|USA}} [[Dennis Ralston]] || 3–6, 2–6, 4–6

|}

===Mixed doubles (1 runner-up)===

{| class="sortable wikitable"

!Result

!Year

!style="width:155px"|Championship

!Surface

!style="width:130px"|Partner

!style="width:130px"|Opponents

!style="width:100px" class="unsortable"|Score

|-

| style="background:#ffa07a;"|Loss || 1964 || style="background:#ffffcc;"|[[1964 Australian Championships|Australian Championships]] || Grass || {{flagicon|AUS}} [[Jan Lehane]] || {{flagicon|AUS}} [[Margaret Court|Margaret Smith]] <br> {{flagicon|AUS}} [[Ken Fletcher]] || 2–6, 3–6

|}

|}