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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Kd3 draw
3 Kd4 draw
4 Ke3 draw
5 Ke5 draw
6 Rc3 draw
7 Rf1 draw
8 Rf4 draw
9 Rf6 draw
10 a3 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Ra3 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves