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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Rf5 win in 5 half-moves
3 Kf6 win in 7 half-moves
4 Kc5 draw
5 Kd7 draw
6 Ke7 draw
7 Ked6 draw
8 Kf5 draw
9 Kf7 draw
10 Rg5 draw
11 Rh5 draw
12 Kc4 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kdd6 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves