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 Ka7 draw
5 Kc6 draw
6 Kc7 draw
7 Kh3 draw
8 Kh5 draw
9 Ra7 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves