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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Ka7 draw
3 Kd1 draw
4 Kd2 draw
5 Ke2 draw
6 Rf2 draw
7 Rf3 draw
8 Rf4 draw
9 Rf5 draw
10 Rf6 draw
11 Rh1 draw
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kf2 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rf8 loss in 2 half-moves