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

EGTB: win in 10 half-moves

# move score
1 Rg1 win in 9 half-moves
2 Kde1 draw
3 Kf3 draw
4 Kfe1 draw
5 Kg1 draw
6 Kg2 draw
7 Kg3 draw
8 Re1 draw
9 Rh1 draw
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kde2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kfe2 loss in 2 half-moves