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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Kd5 win in 5 half-moves
3 Kc5 win in 7 half-moves
4 Kb1 draw
5 Kb2 draw
6 Kc2 draw
7 Kc6 draw
8 Kc7 draw
9 Kd1 draw
10 Kd2 draw
11 Kd7 draw
12 Ke6 draw
13 Ke7 draw
14 Ra8 draw
15 Rb8 draw
16 Rd8 draw
17 Re4 draw
18 Re5 draw
19 Re6 draw
20 Re7 draw
21 Rf8 draw
22 Ke5 loss in 2 half-moves
23 Re1 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves