9‑Nov‑1981 | Taipei | Carpet | QF | 51 | 30 | (4)Mark Edmondson [AUS] d. (8)Gullikson | 6-3 3-6 6-4 | | | | | | | | | |
9‑Nov‑1981 | Taipei | Carpet | R16 | 51 | | (8)Gullikson d. Larry Stefanki [USA] | 6-4 6-0 | | | | | | | | | |
9‑Nov‑1981 | Taipei | Carpet | R32 | 51 | 68 | (8)Gullikson d. Ramesh Krishnan [IND] | 7-6 3-6 6-3 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | SF | 58 | 34 | (5)Mark Edmondson [AUS] d. Gullikson | 6-3 7-6 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | QF | 58 | 41 | Gullikson d. (4)Chris Lewis Nzl [NZL] | 7-6 6-3 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R16 | 58 | 59 | Gullikson d. (7)Pat Dupre [USA] | 6-3 7-5 | | | | | | | | | |
2‑Nov‑1981 | Hong Kong | Hard | R32 | 58 | | Gullikson d. Nduka Odizor [NGR] | 7-6 6-2 | | | | | | | | | |
26‑Oct‑1981 | Tokyo Indoor | Carpet | QF | 72 | 46 | Heinz Gunthardt [SUI] d. Gullikson | 7-6(3) 7-6(2) | | | | | | | | | |
26‑Oct‑1981 | Tokyo Indoor | Carpet | R16 | 72 | 2 | Gullikson d. (2)Bjorn Borg [SWE] | 6-3 6-1 | | | | | | | | | |
26‑Oct‑1981 | Tokyo Indoor | Carpet | R32 | 72 | | Gullikson d. Eiji Takeuchi [JPN] | 6-1 6-2 | | | | | | | | | |
19‑Oct‑1981 | Tokyo Outdoor | Clay | R16 | 68 | 23 | (4)Mel Purcell [USA] d. (10)Gullikson | 6-3 6-7 6-3 | | | | | | | | | |
19‑Oct‑1981 | Tokyo Outdoor | Clay | R32 | 68 | | (10)Gullikson d. (Q)Bobby Webb [USA] | 6-1 6-2 | | | | | | | | | |
19‑Oct‑1981 | Tokyo Outdoor | Clay | R64 | 68 | | (10)Gullikson d. Naomi Uemura [JPN] | 6-2 6-2 | | | | | | | | | |
12‑Oct‑1981 | Sydney Indoor | Hard | R16 | 61 | 11 | (4)Peter Mcnamara [AUS] d. Gullikson | 6-3 6-2 | | | | | | | | | |
12‑Oct‑1981 | Sydney Indoor | Hard | R32 | 61 | 49 | Gullikson d. Peter Rennert [USA] | 6-4 3-6 6-3 | | | | | | | | | |
21‑Sep‑1981 | San Francisco | Carpet | R16 | 65 | 10 | (6)Brian Teacher [USA] d. Gullikson | 6-2 7-6 | | | | | | | | | |
21‑Sep‑1981 | San Francisco | Carpet | R32 | 65 | 39 | Gullikson d. (16)Tom Gullikson [USA] | 6-4 6-3 | | | | | | | | | |
21‑Sep‑1981 | San Francisco | Carpet | R64 | 65 | 78 | Gullikson d. Tim Wilkison [USA] | 6-4 6-7 6-4 | | | | | | | | | |
1‑Sep‑1981 | US Open | Hard | R128 | 62 | | Chip Hooper [USA] d. Gullikson | 7-6 2-6 6-3 3-6 6-1 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | R16 | 66 | 37 | (16)Stan Smith [USA] d. Gullikson | 7-6 3-6 6-3 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | R32 | 66 | 73 | Gullikson d. Jimmy Arias [USA] | 6-3 5-7 6-4 | | | | | | | | | |
17‑Aug‑1981 | Cincinnati | Hard | R64 | 66 | 15 | Gullikson d. (8)Yannick Noah [FRA] | 3-6 6-4 7-5 | | | | | | | | | |
10‑Aug‑1981 | Montreal / Toronto | Hard | R32 | 63 | 4 | (4)Ivan Lendl [USA] d. Gullikson | 6-1 6-2 | | | | | | | | | |
10‑Aug‑1981 | Montreal / Toronto | Hard | R64 | 63 | 65 | Gullikson d. Thierry Tulasne [FRA] | 6-3 6-1 | | | | | | | | | |
3‑Aug‑1981 | Columbus | Hard | QF | 69 | 47 | John Austin [USA] d. Gullikson | 6-2 6-3 | | | | | | | | | |
3‑Aug‑1981 | Columbus | Hard | R16 | 69 | 25 | Gullikson d. (4)Vijay Amritraj [IND] | 6-2 6-4 | | | | | | | | | |
3‑Aug‑1981 | Columbus | Hard | R32 | 69 | 62 | Gullikson d. Pat Dupre [USA] | 3-6 6-2 6-3 | | | | | | | | | |
6‑Jul‑1981 | Newport | Grass | R32 | 66 | 49 | Tim Mayotte [USA] d. (7)Gullikson | 7-5 6-4 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R32 | 64 | 72 | Jeff Borowiak [USA] d. Gullikson | 6-3 7-6 4-6 6-3 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R64 | 64 | 56 | Gullikson d. Peter Fleming [USA] | 3-6 7-6 7-6 6-3 | | | | | | | | | |
22‑Jun‑1981 | Wimbledon | Grass | R128 | 64 | | Gullikson d. Gianluca Rinaldini [ITA] | 6-1 6-2 6-3 | | | | | | | | | |
13‑Jun‑1981 | Bristol | Grass | QF | 67 | 19 | (2)Johan Kriek [USA] d. Gullikson | 7-5 6-4 | | | | | | | | | |
13‑Jun‑1981 | Bristol | Grass | R16 | 67 | 38 | Gullikson d. (5)Bill Scanlon [USA] | 7-5 6-1 | | | | | | | | | |
13‑Jun‑1981 | Bristol | Grass | R32 | 67 | 58 | Gullikson d. Nick Saviano [USA] | 7-6 6-1 | | | | | | | | | |
8‑Jun‑1981 | Queen's Club | Grass | R32 | 67 | | Billy Martin [USA] d. Gullikson | 6-4 6-2 | | | | | | | | | |
8‑Jun‑1981 | Queen's Club | Grass | R64 | 67 | 27 | Gullikson d. (6)Vijay Amritraj [IND] | 6-3 5-7 6-3 | | | | | | | | | |
18‑May‑1981 | Rome | Clay | R64 | 64 | | Zeljko Franulovic [CRO] d. Gullikson | 6-1 6-3 | | | | | | | | | |
20‑Apr‑1981 | Las Vegas | Hard | R32 | 57 | 37 | Terry Moor [USA] d. Gullikson | 6-3 2-6 6-1 | | | | | | | | | |
30‑Mar‑1981 | Frankfurt | Carpet | R32 | 51 | 5 | (2)Ivan Lendl [USA] d. Gullikson | 6-3 7-6 | | | | | | | | | |
23‑Mar‑1981 | Milan | Carpet | R16 | 44 | 18 | (6)Vijay Amritraj [IND] d. Gullikson | 6-3 6-7 6-3 | | | | | | | | | |
23‑Mar‑1981 | Milan | Carpet | R32 | 44 | 91 | Gullikson d. Zeljko Franulovic [CRO] | 4-6 6-4 7-6 | | | | | | | | | |
16‑Mar‑1981 | Rotterdam | Hard | R16 | 46 | 4 | (2)Gene Mayer [USA] d. Gullikson | 7-6 7-6 | | | | | | | | | |
16‑Mar‑1981 | Rotterdam | Hard | R32 | 46 | 22 | Gullikson d. Kim Warwick [AUS] | 6-1 3-6 6-0 | | | | | | | | | |
2‑Mar‑1981 | Denver | Carpet | R32 | 41 | 43 | Tom Gullikson [USA] d. (7)Gullikson | 2-6 6-4 6-3 | | | | | | | | | |
23‑Feb‑1981 | Memphis | Carpet | R64 | 42 | 32 | (14)Mel Purcell [USA] d. Gullikson | 6-3 7-6 | | | | | | | | | |
2‑Feb‑1981 | Richmond WCT | Carpet | R32 | 45 | 6 | (2)Ivan Lendl [USA] d. Gullikson | 6-0 6-2 | | | | | | | | | |
26‑Jan‑1981 | Philadelphia | Carpet | R16 | 46 | 19 | (11)John Sadri [USA] d. Gullikson | 6-7 7-6 6-4 | | | | | | | | | |
26‑Jan‑1981 | Philadelphia | Carpet | R32 | 46 | 11 | Gullikson d. (5)Brian Gottfried [USA] | 7-5 6-3 | | | | | | | | | |
19‑Jan‑1981 | San Juan | Hard | F | 45 | 10 | (1)Eliot Teltscher [USA] d. (2)Gullikson | 6-4 6-2 | | | | | | | | | |
19‑Jan‑1981 | San Juan | Hard | SF | 45 | 75 | (2)Gullikson d. (4)Francisco Gonzalez [PAR] | 6-3 3-6 6-4 | | | | | | | | | |
19‑Jan‑1981 | San Juan | Hard | QF | 45 | | (2)Gullikson d. George Hardie [USA] | 6-2 6-4 | | | | | | | | | |
19‑Jan‑1981 | San Juan | Hard | R16 | 45 | | (2)Gullikson d. Robin Drysdale [GBR] | 6-3 6-4 | | | | | | | | | |
19‑Jan‑1981 | San Juan | Hard | R32 | 45 | | (2)Gullikson d. (Q)Filip Krajcik [AUT] | 6-1 6-0 | | | | | | | | | |