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 Rc7 win in 3 half-moves
3 Rb3 win in 7 half-moves
4 Rc8 win in 9 half-moves
5 Ka5 draw
6 Ka7 draw
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc7 draw
11 Kc8 draw
12 Kd7 draw
13 Ke7 draw
14 Ke8 draw
15 Ra3 draw
16 Rc4 draw
17 Rc5 draw
18 Rh3 draw
19 Rc1 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg3 loss in 2 half-moves