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 Ka4 draw
3 Kb4 draw
4 Kc4 draw
5 Rb7 draw
6 Rc6 draw
7 Rd6 draw
8 Re6 loss in 2 half-moves
9 Rf6 loss in 2 half-moves
10 Rg6 loss in 2 half-moves
11 Rh6 loss in 2 half-moves
12 Ka5 loss in 1 half-moves
13 Ka6 loss in 1 half-moves
14 Kc5 loss in 1 half-moves
15 Kc6 loss in 1 half-moves
16 Kg6 loss in 1 half-moves
17 Kg7 loss in 1 half-moves
18 Kg8 loss in 1 half-moves
19 Kh6 loss in 1 half-moves
20 Kh8 loss in 1 half-moves
21 Ra6 loss in 1 half-moves