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

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Rc5 win in 3 half-moves
3 Rc6 win in 3 half-moves
4 Ka1 draw
5 Ka2 draw
6 Ka4 draw
7 Ka6 draw
8 Kb2 draw
9 Kb4 draw
10 Kb5 draw
11 Kb6 draw
12 Kc1 draw
13 Kc2 draw
14 Ra8 draw
15 Rb8 draw
16 Rc3 draw
17 Rc7 draw
18 Rd8 draw
19 Re8 draw
20 Rg8 draw
21 Rh8 draw
22 Rc1 loss in 2 half-moves
23 Rc2 loss in 2 half-moves
24 Rf8 loss in 2 half-moves