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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rb5 win in 1 half-moves
3 Rg7 win in 1 half-moves
4 Kc1 loss in 2 half-moves
5 Kc3 loss in 2 half-moves
6 Kd1 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Kd3 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Kb1 loss in 1 half-moves
18 Kb2 loss in 1 half-moves
19 Kb3 loss in 1 half-moves
20 Rb1 loss in 1 half-moves
21 Rb2 loss in 1 half-moves
22 Rb3 loss in 1 half-moves