Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kd7 win in 5 half-moves
3 Ke7 win in 5 half-moves
4 Kg7 win in 5 half-moves
5 Kg8 win in 5 half-moves
6 Rh7 win in 5 half-moves
7 Kb7 draw
8 Kb8 draw
9 Kc7 draw
10 Kd8 draw
11 Ke8 draw
12 Kf7 draw
13 Ra6 draw
14 Rc6 draw
15 Rg6 draw
16 Rh1 draw
17 Rh5 draw
18 Rh8 draw
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rh2 loss in 2 half-moves
23 Rh3 loss in 2 half-moves
24 Rh4 loss in 2 half-moves