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

EGTB: win in 6 half-moves

# move score
1 Rc1 win in 5 half-moves
2 Rb5 draw
3 Rb7 draw
4 Rb8 draw
5 K1c2 loss in 2 half-moves
6 K1d2 loss in 2 half-moves
7 K1e2 loss in 2 half-moves
8 K3c2 loss in 2 half-moves
9 K3d2 loss in 2 half-moves
10 K3e2 loss in 2 half-moves
11 Kc1 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb6 loss in 2 half-moves