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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Ka6 draw
3 Ra4 draw
4 Rc1 draw
5 Rc2 draw
6 Rc3 draw
7 Rc5 draw
8 Rc6 draw
9 Rg4 draw
10 Rh4 draw
11 K7b7 loss in 2 half-moves
12 K7b8 loss in 2 half-moves
13 K8b7 loss in 2 half-moves
14 K8b8 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves