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 Kd5 win in 7 half-moves
3 Rg8 win in 11 half-moves
4 Rh8 win in 11 half-moves
5 Kb4 draw
6 Kc4 draw
7 Kd4 draw
8 Kb5 loss in 2 half-moves
9 Kb6 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kf7 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 Rf4 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves