The white position looks hopeless, but there is a way to reduce the black territory at the top to nothing!
(;SZ[7]
AW[dc][gc][cd][dd][ed][fd][gd][ce][ee][af][bf][df][ag][dg]AB[db][ac][bc][cc][ec][fc][bd][ae][be][fe][ge][ef][gf][eg][fg]C[No komi, no prisoners - White to play and draw!]PL[W]
(;W[eb]CR[eb]
(;B[fb]CR[fb]
(;W[fa]CR[fa]
;B[ea]CR[ea]
;W[gb]CR[gb]
(;B[ga]CR[ga]
;W[cb]CR[cb]
;B[bb]CR[bb]
(;W[fa]CR[fa]
;B[cf]CR[cf]
(;W[cg]CR[cg]
;B[ga]CR[ga]
;W[ca]CR[ca]
(;B[fa]CR[fa]
;W[ba]CR[ba]C[With this, the ko fight ends in a seki and the game as a jigo RIGHT])
(;B[ba]CR[ba]
;W[fa]CR[fa]
;B[da]CR[da]
;W[eb]CR[eb]C[White wins by one point! Black should accept the seki....]))
(;W[eb]CR[eb]
;B[bg]CR[bg]
;W[da]CR[da]
;B[ba]CR[ba]
;W[ca]CR[ca]C[Black wins by one point!]))
(;W[ca]CR[ca]
;B[ba]CR[ba]
;W[fa]CR[fa]
;B[cf]CR[cf]
(;W[cg]CR[cg]
;B[ga]CR[ga]C[White has no ko threat left. ])
(;W[eb]CR[eb]
;B[bg]CR[bg]
;W[da]CR[da]C[Black wins by one point.])))
(;B[eb]CR[eb]
;W[cb]CR[cb]
;B[ga]CR[ga]
;W[ca]CR[ca]C[In this variation, Black will lose!]))
(;W[cb]CR[cb]
;B[ea]CR[ea]
;W[bb]CR[bb]
;B[ab]CR[ab]
(;W[ba]CR[ba]
;B[gb]CR[gb]C[This is awful for white])
(;W[gb]CR[gb]
;B[ba]CR[ba]
;W[fa]CR[fa]
;B[ga]CR[ga]C[Again, there is no white ko threat]))
(;W[gb]CR[gb]
(;B[ea]CR[ea]
;W[fa]CR[fa]
;B[ga]CR[ga]
;W[cb]CR[cb]
;B[bb]CR[bb]
(;W[ca]CR[ca]
;B[ba]CR[ba]
;W[fa]CR[fa]
;B[cf]CR[cf]
(;W[cg]CR[cg]
;B[ga]CR[ga]C[White has no ko threats left.])
(;W[eb]CR[eb]
;B[bg]CR[bg]
;W[da]CR[da]C[Black wins by one point.]))
(;W[fa]CR[fa]
;B[cf]CR[cf]
(;W[eb]CR[eb]
;B[bg]CR[bg]
;W[da]CR[da]
;B[ba]CR[ba]
;W[ca]CR[ca]C[Black wins by one point.])
(;W[cg]CR[cg]
;B[ga]CR[ga]
;W[ca]CR[ca]
;B[fa]CR[fa]
;W[ba]CR[ba]C[RIGHT
jigo
])))
(;B[fa]CR[fa]
;W[cb]CR[cb]
(;B[da]CR[da]
;W[ca]CR[ca]
;B[ea]CR[ea]
;W[ga]CR[ga]C[White wins.])
(;B[ea]CR[ea]
;W[bb]CR[bb]
;B[ab]CR[ab]
;W[ba]CR[ba]
(;B[da]CR[da]
;W[ga]CR[ga]C[seki. White wins by one point.])
(;B[ca]CR[ca]
;W[da]CR[da]
;B[cf]CR[cf]
;W[eb]CR[eb]
;B[bg]CR[bg]
;W[ga]CR[ga]C[White wins by four points.]))))
(;W[ea]CR[ea]
;B[fa]CR[fa]
(;W[cb]CR[cb]
;B[ca]CR[ca]C[Black wins.])
(;W[gb]CR[gb]
;B[da]CR[da]
;W[cb]CR[cb]
;B[ca]CR[ca]C[White's attempt comes to naught.])))
(;B[da]CR[da]
;W[fb]CR[fb]
;B[ea]CR[ea]
;W[fa]CR[fa]
;B[cb]CR[cb]C[White wins by two points! Black d7 was wrong....]))
(;W[fb]CR[fb]
;B[eb]CR[eb]C[This is hopeless])
(;W[cb]CR[cb]
;B[eb]CR[eb]
(;W[bb]CR[bb]
;B[ab]CR[ab]C[White can't play this way!]
;W[ba]CR[ba]
(;B[ca]CR[ca]
;W[da]CR[da]
;B[ea]CR[ea]
(;W[fa]CR[fa]
;B[ca]CR[ca]C[Black wins the ko and the game!])
(;W[fb]CR[fb]
;B[ca]CR[ca]C[White has no ko threat. Black wins the ko and the game.]))
(;B[gb]CR[gb]
;W[fa]CR[fa]
;B[ea]CR[ea]C[This is a seki, and, since Black can capture a stone at f7, also a jigo, so White is satisfied; but instead of playing g6, Black can do better!]))
(;W[ca]CR[ca]
;B[bb]CR[bb]
(;W[ba]CR[ba]
;B[da]CR[da])
(;W[ea]CR[ea]
;B[ba]CR[ba])
(;W[da]CR[da]
;B[ba]CR[ba])
(;W[fb]CR[fb]
;B[ba]CR[ba]))))