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