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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Ka8 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Kb4 win in 7 half-moves
6 K5a6 draw
7 K5b6 draw
8 K7a6 draw
9 K7b6 draw
10 Ra1 draw
11 Ra2 draw
12 Ra3 draw
13 Kb5 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves