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

EGTB: win in 4 half-moves

# move score
1 Rf6 win in 3 half-moves
2 Rb2 draw
3 Rc2 draw
4 Rf3 draw
5 Rf4 draw
6 Rf5 draw
7 Rg2 draw
8 Ke6 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Kf6 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rh2 loss in 2 half-moves