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

EGTB: win in 2 half-moves

# move score
1 Kc3 win in 1 half-moves
2 Rb1 win in 1 half-moves
3 Rb2 win in 1 half-moves
4 Rb3 win in 1 half-moves
5 Rb5 win in 1 half-moves
6 Kb3 loss in 2 half-moves
7 Kcb5 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Ka5 loss in 1 half-moves
12 Ka6 loss in 1 half-moves
13 Ka7 loss in 1 half-moves
14 Kb7 loss in 1 half-moves
15 Kbb5 loss in 1 half-moves
16 Kbc5 loss in 1 half-moves
17 Kc6 loss in 1 half-moves
18 Kc7 loss in 1 half-moves
19 Kcc5 loss in 1 half-moves
20 Ra4 loss in 1 half-moves