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

EGTB: win in 12 half-moves

# move score
1 Rc1 win in 11 half-moves
2 Ra8 draw
3 Kb1 loss in 2 half-moves
4 Kb2 loss in 2 half-moves
5 Kb3 loss in 2 half-moves
6 Kc1 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kcd1 loss in 2 half-moves
9 Kcd2 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ked1 loss in 2 half-moves
13 Ked2 loss in 2 half-moves
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves