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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 K6a7 draw
3 K6b7 draw
4 K8a7 draw
5 K8b7 draw
6 Ka5 draw
7 Kb5 draw
8 Ra2 draw
9 Rb2 draw
10 Rc2 draw
11 Rd2 draw
12 Re2 draw
13 Rf1 draw
14 Rf6 draw
15 Rf7 draw
16 Kb6 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves