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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb4 win in 5 half-moves
3 Rf4 draw
4 Rg4 draw
5 Rh4 draw
6 Ka1 loss in 2 half-moves
7 Kaa2 loss in 2 half-moves
8 Kab3 loss in 2 half-moves
9 Kb1 loss in 2 half-moves
10 Kba2 loss in 2 half-moves
11 Kbb3 loss in 2 half-moves
12 Kc1 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves