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 Ka7 draw
3 Kb6 draw
4 Kb7 draw
5 Kd1 draw
6 Ke2 draw
7 Kf1 draw
8 Kf2 draw
9 Ra8 draw
10 Rc8 draw
11 Rd8 draw
12 Re2 draw
13 Re3 draw
14 Re4 draw
15 Re5 draw
16 Re6 draw
17 Re7 draw
18 Rf8 draw
19 Rg8 draw
20 Rh8 draw
21 Kd2 loss in 2 half-moves
22 Ka5 loss in 1 half-moves
23 Kb5 loss in 1 half-moves