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 Kb4 draw
3 Kb5 draw
4 Kc5 draw
5 Kd4 draw
6 Kd5 draw
7 Kg5 draw
8 Kh3 draw
9 Kh5 draw
10 Ra7 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rc7 draw
15 Rf7 draw
16 Rg7 draw
17 Rh7 draw
18 Kb3 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kg3 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re7 loss in 2 half-moves