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

EGTB: win in 4 half-moves

# move score
1 Rc5 win in 3 half-moves
2 Rc6 win in 3 half-moves
3 K6a7 draw
4 K6b7 draw
5 K8a7 draw
6 K8b7 draw
7 Ka5 draw
8 Kb5 draw
9 Kb6 draw
10 Kb8 draw
11 Ra3 draw
12 Rb3 draw
13 Rc1 draw
14 Rc2 draw
15 Rc4 draw
16 Rd3 draw
17 Rf3 draw
18 Rh3 draw
19 Rc7 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves