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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Ra8 win in 3 half-moves
3 Rd8 win in 3 half-moves
4 Kb5 win in 7 half-moves
5 Kbb7 win in 7 half-moves
6 Kbc6 win in 7 half-moves
7 Kc5 win in 7 half-moves
8 Rc8 win in 7 half-moves
9 Ka5 draw
10 Ka6 draw
11 Ka7 draw
12 Kb8 draw
13 Kc8 draw
14 Kcb7 draw
15 Kcc6 draw
16 Kd8 draw
17 Rb8 draw
18 Re3 draw
19 Re7 draw
20 Kd6 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves