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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Rb4 win in 1 half-moves
3 K7b7 draw
4 Ka8 draw
5 Kb8 draw
6 Ra1 draw
7 Ra2 draw
8 Ra5 draw
9 Rc4 draw
10 Rd4 draw
11 K6b7 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 K6b6 loss in 1 half-moves
15 K7b6 loss in 1 half-moves
16 Re4 loss in 1 half-moves
17 Rf4 loss in 1 half-moves
18 Rg4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves