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

EGTB: win in 6 half-moves

# move score
1 Rc3 win in 5 half-moves
2 Ra7 draw
3 Ra8 draw
4 Kb4 loss in 2 half-moves
5 Kb5 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kcd4 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd3 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ked4 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rd3 loss in 2 half-moves