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 Kb1 draw
6 Kb4 draw
7 Kbb2 draw
8 Kbc3 draw
9 Kc1 draw
10 Kc4 draw
11 Kcb2 draw
12 Kcc3 draw
13 Kd1 draw
14 Kd2 draw
15 Ra7 draw
16 Rc7 draw
17 Rd7 draw
18 Rh7 draw
19 Kd3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves