In 2005, the STBA/STWBA merged and became known as Bowls Tasmania South (BTS). These are the Men’s Open Fours Champions that occurred before the merger.
| YEAR | WINNERS | CLUB |
| 1915-16 | Z Bidencope, G Murdoch, J A Crisp, E Hawson | Hob |
| 1916-17 | M Kennedy, G Murdoch, J A Crisp, E Hawson | Hob |
| 1917-18 | E Rowlands, H Bucirde, W N Atkins, H Downie | B |
| 1918-19 | V Peet, M G Robertson, H McLagan, C F Seager | SB` |
| 1919-20 | W T Nettlefold, D Fitzgerald, M Robertson, E Reid | SB |
| 1920-21 | H Bucirde, A H Hawkins, V Gifford, H J O’Brien | B |
| 1921-22 | J McKean, W Ramsay, Z Bidencope, E Hawson | Hob |
| 1922-23 | J C Hibbard, W T Murphy, W T Nettlefold, M G Robertson SB | |
| 1923-24 | J C Hibbard, W T Emmerson, D Fitzgerald, M G Robertson SB | |
| 1924-25 | J McKean, Z Bidencope, M G Robertson, E Hawson | Hob |
| 1925-26 | J McKean, E T MacGowan, M G Robertson, E Hawson | Hob |
| 1926-27 | A Roberts, W Lyons, C Waterworth, W W O’Brien | B |
| 1927-28 | A Roberts, W W O’Brien, W Lyons, H J O’Brien | B |
| 1928-29 | A Rothwell, W Coleman, L Saunders, A H Cherry | C |
| 1929-30 | C Fletcher, W W O’Brien, W Lyons, H J O’Brien | B |
| 1930-31 | W Bradshaw, C R Osborne, A H Cherry, V Gifford | C |
| 1931-32 | O O’Connor, F Mills, W Coleman, V Peet | SB |
| 1932-33 | J McKean, R E Miller, T Emmerson, E Hawson | Hob |
| 1933-34 | W Bradshaw, A Herbert, A Saunders, A H Cherry | C |
| 1934-35 | J McKean, R E Miller, T Emmerson, E Hawson | Hob |
| 1935-36 | C Barron, A G Richardson, F C Brooks, A H Gifford | D |
| 1936-37 | E C Botten, J Breen, W Lyons, C R Osborne | B |
| 1937-38 | H Tanner, D Paton, G Green, A C Rothwell | D |
| 1938-39 | E Willis, A G Richardson, F C Brooks, A H Gifford | D |
| 1939-40 | L Woodhouse, J Breen, C R Osborne, W Lyons | B |
| 1940-41 | T J Challender, A Willing, J Donnelly, C B Smith | D |
| 1941-42 | L Woodhouse, J Breen, A C Rothwell, W Lyons | B |
| 1942-43 | C V Smith, E Nolan, R Daley, C Dunn | C |
| 1943-44 | G Everett, R Tate, J Perkins, C H Verrier | RH |
| 1944-45 | H Wilkins, T J Challender, A C Rothwell, A H Gifford | D |
| 1945-46 | J Genders, H Sibley, C Bucirde, A H Cherry | C |
| 1946-47 | W J Clark, D Paton, V R Driscoll, N Pierce | D |
| 1947-48 | L J McDonald, W D McCooey, T A Stokes, J O’Beirne | SB |
| 1948-49 | H Paul, E Spratt, C Coleman, L C Bennison | B |
| 1949-50 | A A Partridge, E C Botten, T W George, W Lyons | B |
| 1950-51 | W J Clark, W H McShane, V R Driscoll, A H Gifford | D |
| 1951-52 | J Varcin, C R Sheppard, A C Rothwell, Snr N Pierce | B |
| 1952-53 | A Partridge, R Williams, D Lyons, W Lyons | B |
| 1953-54 | L W Salmon, H Evans, R Paton, J E Lewis | RH |
| 1954-55 | A J Trebilcock, L Andrews, J Strange, N R Pierce | B |
| 1955-56 | C Taylor, R Oakford, E Smith, A George | NN |
| 1956-57 | A Ims, E Cole, M Timmins, D McLennan | SB |
| 1957-58 | H Paul, M Mazengarb, A Hook, N R Pierce | B |
| 1958-59 | J Varcin, A Partridge, J Hurley, W Lyons | B |
| 1959-60 | A G Rigby, W Koppleman, Eric Smith, E Hall | NN |
| 1960-61 | L Holmes, L Finlay, V Enslow, R Hull | SB |
| 1961-62 | H A Lawler, A Willing, L R Woodhouse, R Wilkins | B |
| 1962-63 | G Rigby, J Lee, C Taylor, A Gossage | NN |
| 1963-64 | K Clark, N Ackerley, R Nichols, C Chick | NN |
| 1964-65 | A Moore, B Cornish, R Dodd, R Paul | SB |
| 1965-66 | S Cure, C Sheppard, R Garwood, H Andrews | B |
| 1966-67 | H Jackson, W Frost, E Doig, K Wynne | Cmt |
| 1967-68 | J Williams, L Matthews, J Willey, H Walker | Cmt |
| 1968-69 | G Lee, W R Jones, F Watkins, T Courto | RP |
| 1969-70 | A H Wood, W McArthur, R Ims, M Timmins | SB |
| 1970-71 | J Andrews, W Rankin, K Hall, M Adderton | C |
| 1971-72 | P Carroll, D Cooper, M Muir, R Garwood | B |
| 1972-73 | R B Ward, E Morse, J Wilson, S Cure | B |
| 1973-74 | M Drewitt, J Daniels, E Healey, G McArthur | NN |
| 1974-75 | J Boatwright, R Gorringe, T Clarke, T Courto | RP |
| 1975-76 | R B Ward, D G Cole, J Wilson, S Cure | B |
| 1976-77 | J Paul, P Roberts, E Walker, G B Walker | F |
| 1977-78 | R Whitmore, T Clarke, K Pearce, T Courto | RP |
| 1978-79 | G Scanlon, B Long, J Shield, L Matthews | D |
| 1979-80 | I McDonald, B Fyfe, W Jones, D Richardson | RP |
| 1980-81 | L Holmes, D Chapman, R Heywood, K Gunton | SB |
| 1981-82 | K Churchill, B Donnelley, F Crisp, L Boddam | RH |
| 1982-83 | D Reid (D), J Shield (D), L Rodman (B), E Morse (B) | |
| 1983-84 | G Harriss, S Seabrook, N Clarke, J Denehey | H |
| 1984-85 | B Miller, D Coleman, E Murray, A Schofield | Cmt |
| 1985-86 | B Miller, D Coleman, E Murray, A Schofield | Cmt |
| 1986-87 | C Milburn, B Forsyth, G Petrie, L Lovell | S |
| 1987-88 | H Braithwaite, N Clark, L Whiteley, R Muckridge | B |
| 1988-89 | R Bye (SB), P Hoffman (D), G Scanlon (RP), K Pearce (RP) | |
| 1989-90 | D Sherwood (B), J Burns (SB), K Brimfield (SB), C McKibben (SB) | |
| 1990-91 | A Hack, D Coleman, E Murray, R Suckling | Cmt |
| 1991-92 | A White R Dawson G Walker R Muckridge | B |
| 1992-93 | L Martin (Cmt), J Courto (Cmt), T Courto (Cmt), C McKibben (SB) | |
| 1993-94 | S Rees, R Bye, L Lovell, A Bennett | SB |
| 1994-95 | L Martin (Cmt), K Broomhead (Cmt), J Courto (Cmt), C Smith (SB) | |
| 1995-96 | J McKibben (SB), K Brimfield (SB), R Coad (G), P Harman (SB) | |
| 1996-97 | A Hack, M Taylor, R Kirk, L Rodman | R |
| 1997-98 | B Long, J Daniels, J Long, P Hoffman | RP |
| 1998-99 | D Cure (B), T Noar (SB), R Manson (B), R Muckridge (B) | |
| 1999-00 | S Midson, E Strong, G Kitto, J Courto | Bel |
| 2000-01 | R Ormerod, T Ross, D Cole, J D Clarke | B |
| 2001-02 | H Braithwaite, D Pepper, N Clark, J Jeffrey | B |
| 2002-03 | M Cowles, B Butler, T Bennett, J McKibben | SB,RP,RP,SB |
| 2003-04 | P Hoffman, B Forsythe, L Munnings, D James | RP |
| 2004-05 | M Bermingham, B Butler, J. McKibben, T Bennett | SB, RP, HI, RP |
Continued in Men’s Fours Champions (BTS)