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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Ka7 draw
7 Ka8 draw
8 Kbc8 draw
9 Kc6 draw
10 Kd6 draw
11 Kd8 draw
12 Kdc7 draw
13 Kdc8 draw
14 Ke6 draw
15 Ke7 draw
16 Ke8 draw
17 Ra7 draw
18 Rc7 draw
19 Kbc7 loss in 1 half-moves
20 Rb1 loss in 1 half-moves