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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb6 win in 1 half-moves
4 Rb7 win in 1 half-moves
5 Rb8 win in 1 half-moves
6 Kb8 draw
7 Kc1 draw
8 Kc2 draw
9 Kc3 draw
10 Kd1 draw
11 Kd3 draw
12 Ke1 draw
13 Ke2 draw
14 Ke3 draw
15 Ra2 draw
16 Rb4 draw
17 Rc2 draw
18 Ka7 loss in 1 half-moves
19 Kb7 loss in 1 half-moves
20 Rb5 loss in 1 half-moves