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 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Rc7 draw
6 Re7 draw
7 Rf7 draw
8 Rg7 draw
9 Ka4 loss in 2 half-moves
10 Ka5 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kh1 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves