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

EGTB: win in 6 half-moves

# move score
1 Rc7 win in 5 half-moves
2 Ra6 draw
3 Rg6 draw
4 Rh6 draw
5 Kb3 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd3 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves