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 Ke6 draw
3 Ke7 draw
4 Kf6 draw
5 Kg6 draw
6 Kg7 draw
7 Ra5 draw
8 Re5 draw
9 Rf6 draw
10 Ke8 loss in 8 half-moves
11 Kf8 loss in 8 half-moves
12 Kg8 loss in 6 half-moves
13 Rb5 loss in 2 half-moves
14 Rc5 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves