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 Kb5 win in 5 half-moves
3 Kb7 win in 5 half-moves
4 K5a6 draw
5 K5b6 draw
6 K7a6 draw
7 K7b6 draw
8 Ka4 draw
9 Ka8 draw
10 Kb4 draw
11 Kb8 draw
12 Rb3 draw
13 Rf3 draw
14 Rg3 draw
15 Rh3 draw
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Re3 loss in 2 half-moves