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 Kb6 draw
9 Kb8 draw
10 Kd6 draw
11 Kd8 draw
12 Ra3 draw
13 Re3 draw
14 Rf4 draw
15 Rf6 draw
16 Rf7 draw
17 Rf8 draw
18 Rg3 draw
19 Rh3 draw
20 Kb5 loss in 2 half-moves
21 Kc5 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves