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

EGTB: win in 4 half-moves

# move score
1 Kc2 win in 3 half-moves
2 Kdd2 win in 3 half-moves
3 Rg3 win in 3 half-moves
4 Kc1 win in 5 half-moves
5 Kf2 win in 5 half-moves
6 Kf1 win in 7 half-moves
7 Kf3 win in 7 half-moves
8 Ke3 win in 13 half-moves
9 Rf1 win in 13 half-moves
10 Kd3 draw
11 Kde1 draw
12 Ked2 draw
13 Kee1 draw
14 Re1 draw
15 Rg2 draw
16 Rg4 draw
17 Rg5 draw
18 Rg6 draw
19 Rh1 draw
20 Rg7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves