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 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 Kbc7 draw
9 Kbc8 draw
10 Kc6 draw
11 Kd6 draw
12 Kd8 draw
13 Kdc7 draw
14 Kdc8 draw
15 Ke6 draw
16 Ke7 draw
17 Ke8 draw
18 Ra7 draw
19 Rc7 draw
20 Rb2 loss in 1 half-moves