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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Kc3 draw
3 Kd3 draw
4 Kd5 draw
5 Ke3 draw
6 Ke4 draw
7 Ke5 draw
8 Rd8 draw
9 Re8 draw
10 Rf2 draw
11 Rf4 draw
12 Rg8 draw
13 Rh8 draw
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves