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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 K7b7 win in 3 half-moves
3 K8b8 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Ra1 win in 3 half-moves
6 Rb2 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Ka6 win in 5 half-moves
9 K7b8 draw
10 K8b7 draw
11 Rb5 draw
12 Rc1 draw
13 Rd1 draw
14 Re1 draw
15 Rf1 draw
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves