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

EGTB: win in 4 half-moves

# move score
1 Ka4 win in 3 half-moves
2 K1a2 draw
3 K1b2 draw
4 K3a2 draw
5 K3b2 draw
6 Kb4 draw
7 Ra7 draw
8 Ra8 draw
9 Rb6 draw
10 Rc6 draw
11 Rd6 draw
12 Rh6 draw
13 Kb1 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves