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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 K1a2 draw
4 K1b2 draw
5 K3a2 draw
6 K3b2 draw
7 Ka4 draw
8 Rb8 draw
9 Rf8 draw
10 Rg8 draw
11 Rh8 draw
12 Kb4 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves