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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rb1 draw
4 Rb5 draw
5 Rb3 loss in 4 half-moves
6 Rb8 loss in 4 half-moves
7 Kc2 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Re7 loss in 1 half-moves
21 Rg7 loss in 1 half-moves
22 Rh7 loss in 1 half-moves