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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kb3 win in 5 half-moves
3 Kc3 win in 5 half-moves
4 K4b4 win in 7 half-moves
5 K4b5 win in 7 half-moves
6 Kb6 win in 7 half-moves
7 Ra6 win in 7 half-moves
8 K5b4 draw
9 K5b5 draw
10 Kd6 draw
11 Rc7 draw
12 Rc8 draw
13 Rh6 draw
14 K4d4 loss in 2 half-moves
15 K4d5 loss in 2 half-moves
16 K5d4 loss in 2 half-moves
17 K5d5 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves