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 Kd5 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Rb8 win in 3 half-moves
5 Ka3 draw
6 Ka5 draw
7 Kb3 draw
8 Kb4 draw
9 Kb5 draw
10 Ke4 draw
11 Ke6 draw
12 Ra8 draw
13 Rc8 draw
14 Rd8 draw
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves