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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Kaa8 draw
3 Kab7 draw
4 Kba8 draw
5 Kc7 draw
6 Kc8 draw
7 Rd6 draw
8 Re6 draw
9 Rf1 draw
10 Rf7 draw
11 Rf8 draw
12 Rg6 draw
13 Rh6 draw
14 Ka6 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kbb7 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves