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 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Kf1 draw
6 Kf2 draw
7 Rf1 draw
8 Rf2 draw
9 Rf3 draw
10 Rb5 loss in 4 half-moves
11 Rc5 loss in 2 half-moves
12 Rd5 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Ra5 loss in 1 half-moves
18 Rg5 loss in 1 half-moves
19 Rh5 loss in 1 half-moves