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

EGTB: win in 6 half-moves

# move score
1 Rc3 win in 5 half-moves
2 Rb2 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Kc1 loss in 2 half-moves
7 Kc3 loss in 2 half-moves
8 Kc4 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Ke1 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 K1c2 loss in 1 half-moves
18 K1d2 loss in 1 half-moves
19 K1e2 loss in 1 half-moves
20 K3c2 loss in 1 half-moves
21 K3d2 loss in 1 half-moves
22 K3e2 loss in 1 half-moves