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

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ke2 draw
6 Re1 draw
7 Rg2 draw
8 Rh1 draw
9 Ke1 loss in 8 half-moves
10 Rg3 loss in 6 half-moves
11 Rg4 loss in 4 half-moves
12 Rg6 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rg5 loss in 1 half-moves