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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 K5b6 draw
3 K7b6 draw
4 Rc6 draw
5 K5a6 loss in 2 half-moves
6 K7a6 loss in 2 half-moves
7 Ka4 loss in 2 half-moves
8 Ka8 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves