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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Kb4 win in 7 half-moves
3 Kb5 win in 7 half-moves
4 K5a6 draw
5 K7a6 draw
6 Ka4 draw
7 Ka8 draw
8 Ra1 draw
9 Ra3 draw
10 Rb2 draw
11 Rg2 draw
12 K5b6 loss in 2 half-moves
13 K7b6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kb8 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves