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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Re6 draw
3 Rf6 draw
4 Rg6 draw
5 Ka2 loss in 2 half-moves
6 Ka3 loss in 2 half-moves
7 Kaa4 loss in 2 half-moves
8 Kab4 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kba4 loss in 2 half-moves
12 Kbb4 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves