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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Kc1 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kd1 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kdd3 loss in 2 half-moves
11 Kde2 loss in 2 half-moves
12 Ke1 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ked3 loss in 2 half-moves
15 Kee2 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rc2 loss in 2 half-moves