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 Ra1 win in 7 half-moves
4 Ka4 draw
5 Ka5 draw
6 Ka6 draw
7 Ka7 draw
8 Kb4 draw
9 Kb6 draw
10 Kb7 draw
11 Kb8 draw
12 Kc4 draw
13 Kc5 draw
14 Rb1 draw
15 Rc2 draw
16 Rc3 draw
17 Rc6 draw
18 Rd1 draw
19 Rf1 draw
20 Rg1 draw
21 Kc6 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves