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 Ka1 draw
3 Ka2 draw
4 Ka7 draw
5 Kb2 draw
6 Kb7 draw
7 Kb8 draw
8 Kc1 draw
9 Kc2 draw
10 Ra6 draw
11 Rb2 draw
12 Rb3 draw
13 Rb4 draw
14 Rc6 draw
15 Rd6 draw
16 Re6 draw
17 Rf6 draw
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves