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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka7 draw
3 Kb1 draw
4 Kb2 draw
5 Kb7 draw
6 Kb8 draw
7 Kc2 draw
8 Kd1 draw
9 Kd2 draw
10 Ra3 draw
11 Rb1 draw
12 Rb2 draw
13 Rb4 draw
14 Rc3 draw
15 Rd3 draw
16 Re3 draw
17 Rf3 draw
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves