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 K3b4 draw
3 K3d3 draw
4 K3d4 draw
5 K4b4 draw
6 K4d3 draw
7 K4d4 draw
8 Kb2 draw
9 Kb5 draw
10 Kc2 draw
11 Kc5 draw
12 Kd2 draw
13 Kd5 draw
14 Ra3 draw
15 Rb1 draw
16 Rb2 draw
17 Rb4 draw
18 Rb5 draw
19 Rb6 draw
20 Rb7 loss in 1 half-moves