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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Kab8 draw
3 Kba7 draw
4 Kbb8 draw
5 Kc7 draw
6 Kc8 draw
7 Rd7 draw
8 Re7 draw
9 Rf1 draw
10 Rf6 draw
11 Rf8 draw
12 Rg7 draw
13 Rh7 draw
14 Ka6 loss in 2 half-moves
15 Kaa7 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves