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 Ka2 draw
3 Ka3 draw
4 Ka4 draw
5 Kb2 draw
6 Kb4 draw
7 Kg6 draw
8 Kg7 draw
9 Kh7 draw
10 Ra6 draw
11 Rb5 draw
12 Rb7 draw
13 Rc6 draw
14 Rd6 draw
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kg5 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves