Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 K7b8 draw
3 K7d7 draw
4 K7d8 draw
5 K8b8 draw
6 K8d7 draw
7 K8d8 draw
8 Kb6 draw
9 Kc6 draw
10 Kd6 draw
11 Ra7 draw
12 Rb1 draw
13 Rb5 draw
14 Rb6 draw
15 Rb8 draw
16 Rb2 loss in 1 half-moves
17 Rb4 loss in 1 half-moves