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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rc6 win in 1 half-moves
3 Ra4 draw
4 Kc2 loss in 2 half-moves
5 Kc3 loss in 2 half-moves
6 Kd2 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kdd4 loss in 2 half-moves
9 Kde3 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ke5 loss in 2 half-moves
12 Ked4 loss in 2 half-moves
13 Kee3 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rc7 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd4 loss in 2 half-moves