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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Ke7 win in 3 half-moves
4 Rc5 win in 3 half-moves
5 Rc8 win in 3 half-moves
6 Kc8 draw
7 Kd7 draw
8 Ke8 draw
9 Ra6 draw
10 Rc7 draw
11 Rg6 draw
12 Rh6 draw
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf6 loss in 2 half-moves