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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rf4 draw
3 Ka3 loss in 2 half-moves
4 Kaa2 loss in 2 half-moves
5 Kab1 loss in 2 half-moves
6 Kb3 loss in 2 half-moves
7 Kba2 loss in 2 half-moves
8 Kbb1 loss in 2 half-moves
9 Kc1 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves