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 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Kd4 draw
8 Kd6 draw
9 Ra7 draw
10 Rb1 draw
11 Rb2 draw
12 Rb5 draw
13 Rb6 draw
14 Rc7 draw
15 Rd7 draw
16 Kd5 loss in 10 half-moves
17 Re7 loss in 6 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves