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 Ra1 draw
3 Ra2 draw
4 Rc4 draw
5 Rd4 draw
6 Re4 draw
7 Rh4 draw
8 Ka6 loss in 2 half-moves
9 Kb4 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kc8 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves