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

EGTB: win in 4 half-moves

# move score
1 Rc2 win in 3 half-moves
2 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Rb7 draw
6 Kc1 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kde2 loss in 2 half-moves
12 Kde3 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kfe2 loss in 2 half-moves
18 Kfe3 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rb8 loss in 2 half-moves