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 K6b7 draw
3 K6c7 draw
4 K6d7 draw
5 K8b7 draw
6 K8c7 draw
7 K8d7 draw
8 Kb5 draw
9 Kc5 draw
10 Kd5 draw
11 Kd6 draw
12 Kd8 draw
13 Rf4 draw
14 Rf7 draw
15 Rf8 draw
16 Rg6 draw
17 Rh6 draw
18 Kb6 loss in 2 half-moves
19 Kb8 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves