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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc1 draw
3 Rb6 draw
4 Rb7 draw
5 Rc2 draw
6 Rf2 draw
7 Rg2 draw
8 Rh2 draw
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Kg5 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Kc2 loss in 1 half-moves