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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Rf8 win in 9 half-moves
4 Kd8 win in 11 half-moves
5 Kb7 draw
6 Kb8 draw
7 Ke6 draw
8 Ke7 draw
9 Ke8 draw
10 Kf6 draw
11 Kf8 draw
12 Kg6 draw
13 Kg7 draw
14 Rg1 draw
15 Rg5 draw
16 Rg6 draw
17 Rg7 draw
18 Rh8 draw
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rg4 loss in 2 half-moves