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