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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc1 draw
6 Kc6 draw
7 Kc8 draw
8 Kd2 draw
9 Kd6 draw
10 Kd7 draw
11 Kd8 draw
12 Ra8 draw
13 Rb8 draw
14 Rd8 draw
15 Re8 draw
16 Rf3 draw
17 Rf4 draw
18 Rf5 draw
19 Rf6 draw
20 Rf7 draw
21 Kc2 loss in 2 half-moves
22 Ke1 loss in 2 half-moves
23 Ke2 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves