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 Ka5 draw
3 Ka6 draw
4 Kb6 draw
5 Kc6 draw
6 Ra7 draw
7 Rb6 draw
8 Rc7 draw
9 Rg7 draw
10 Rh7 draw
11 Ka4 loss in 10 half-moves
12 Kb4 loss in 10 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves