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

EGTB: win in 8 half-moves

# move score
1 Rc7 win in 7 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kg8 draw
11 Ra7 draw
12 Rb7 draw
13 Rd7 draw
14 Re7 draw
15 Rf2 draw
16 Rf6 draw
17 Rf8 draw
18 Kg7 loss in 2 half-moves
19 Kh7 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves