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 Ke1 draw
3 Ke2 draw
4 Kf2 draw
5 Kg1 draw
6 Kg2 draw
7 Rf2 draw
8 Rf3 draw
9 Rb5 loss in 4 half-moves
10 Rf6 loss in 2 half-moves
11 Rf7 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rh5 loss in 2 half-moves
15 Ra5 loss in 1 half-moves
16 Rc5 loss in 1 half-moves
17 Rd5 loss in 1 half-moves
18 Re5 loss in 1 half-moves