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 Rc7 win in 3 half-moves
4 Rc8 win in 3 half-moves
5 Ka5 draw
6 Ka8 draw
7 Kaa6 draw
8 Kab6 draw
9 Kb7 draw
10 Kb8 draw
11 Kba6 draw
12 Kbb6 draw
13 Kc4 draw
14 Kc5 draw
15 Kc6 draw
16 Rc6 draw
17 Rd3 draw
18 Re3 draw
19 Rf3 draw
20 Rg3 draw
21 Rh3 draw
22 Ka4 loss in 2 half-moves
23 Kb4 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rc2 loss in 2 half-moves