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

EGTB: win in 4 half-moves

# move score
1 Kd4 win in 3 half-moves
2 Ke4 win in 3 half-moves
3 Rd8 win in 3 half-moves
4 Kb1 draw
5 Kc2 draw
6 Kd1 draw
7 Kd2 draw
8 Kd5 draw
9 Kd6 draw
10 Ke6 draw
11 Kf4 draw
12 Kf5 draw
13 Kf6 draw
14 Rc8 draw
15 Rf8 draw
16 Rg8 draw
17 Rh8 draw
18 Kb2 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re7 loss in 2 half-moves