Click on the third or sixth rank to set the en passant target square.

EGTB: win in 22 half-moves

# move score
1 Rb8 win in 21 half-moves
2 Kg7 draw
3 Rh6 draw
4 Ka4 loss in 2 half-moves
5 Ka5 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kc5 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves