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

EGTB: win in 2 half-moves

# move score
1 Kc2 win in 1 half-moves
2 Re3 win in 1 half-moves
3 Re4 win in 1 half-moves
4 Re5 win in 1 half-moves
5 Re7 win in 1 half-moves
6 Rf1 loss in 10 half-moves
7 Kd2 loss in 2 half-moves
8 Ke2 loss in 2 half-moves
9 Re2 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rg1 loss in 2 half-moves
13 Rh1 loss in 2 half-moves
14 Kc1 loss in 1 half-moves