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 Kb5 draw
3 Kg2 draw
4 Kg3 draw
5 Kg4 draw
6 Kh2 draw
7 Kh4 draw
8 Ra7 draw
9 Rb5 draw
10 Rb6 draw
11 Re7 draw
12 Rf7 draw
13 Rg7 draw
14 Rh7 draw
15 Ka3 loss in 2 half-moves
16 Ka4 loss in 2 half-moves
17 Ka5 loss in 2 half-moves
18 Kb3 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd7 loss in 2 half-moves