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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Ka5 draw
4 Ka6 draw
5 Kaa7 draw
6 Kab7 draw
7 Kb5 draw
8 Kb8 draw
9 Kba7 draw
10 Kbb7 draw
11 Kc6 draw
12 Kc7 draw
13 Ra1 draw
14 Rb1 draw
15 Rc5 draw
16 Rc7 draw
17 Rg1 draw
18 Rh1 draw
19 Kc5 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rf1 loss in 2 half-moves