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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka2 draw
3 Ka3 draw
4 Ka4 draw
5 Kb2 draw
6 Kc2 draw
7 Kc3 draw
8 Kc4 draw
9 Ra7 draw
10 Rc7 draw
11 Kb4 loss in 6 half-moves
12 Rd7 loss in 4 half-moves
13 Re7 loss in 4 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rf7 loss in 1 half-moves