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 Rd8 win in 3 half-moves
3 Kc5 win in 5 half-moves
4 Rf7 win in 7 half-moves
5 Ka5 draw
6 Ka6 draw
7 Ka7 draw
8 Kb7 draw
9 Kc1 draw
10 Kc2 draw
11 Kc3 draw
12 Kc6 draw
13 Kc7 draw
14 Kd1 draw
15 Kd3 draw
16 Ra8 draw
17 Rb8 draw
18 Re8 draw
19 Rf4 draw
20 Rf5 draw
21 Rf6 draw
22 Kb5 loss in 2 half-moves
23 Ke1 loss in 2 half-moves
24 Ke2 loss in 2 half-moves
25 Ke3 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves
28 Rf3 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves