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 K5a6 draw
3 K7a6 draw
4 Ka8 draw
5 Ra1 draw
6 Ra2 draw
7 Ra4 draw
8 Rb3 draw
9 Rf3 draw
10 K5b6 loss in 2 half-moves
11 K7b6 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves