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

EGTB: win in 2 half-moves

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