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 Kc3 win in 7 half-moves
3 Rc3 draw
4 Rc5 draw
5 Rc6 draw
6 Rc7 draw
7 Rc8 draw
8 Rd1 draw
9 Ka3 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Ka5 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Kf1 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Kd1 loss in 1 half-moves
23 Kd2 loss in 1 half-moves