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 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb3 draw
6 Kb5 draw
7 Kc3 draw
8 Kc4 draw
9 Kc5 draw
10 Kf1 draw
11 Kf2 draw
12 Kg2 draw
13 Kh1 draw
14 Kh2 draw
15 Ra7 draw
16 Rc7 draw
17 Rd7 draw
18 Re7 draw
19 Rf7 draw
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves