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 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb8 draw
6 Ra1 draw
7 Rb2 draw
8 Rb3 draw
9 Rb4 draw
10 Rb6 draw
11 Rc1 draw
12 Ka7 loss in 6 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Re1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rf1 loss in 1 half-moves