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 Kb5 draw
6 Kc5 draw
7 Kc6 draw
8 Kc7 draw
9 Kd1 draw
10 Kd2 draw
11 Ke1 draw
12 Kf1 draw
13 Kf2 draw
14 Ra7 draw
15 Rc7 draw
16 Rd7 draw
17 Rh7 draw
18 Kd3 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves