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

EGTB: win in 2 half-moves

# move score
1 Ka2 win in 1 half-moves
2 Re4 draw
3 Ka6 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kb1 loss in 2 half-moves
6 Ra4 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rb3 loss in 2 half-moves
9 Rb5 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Kb2 loss in 1 half-moves
16 Kb6 loss in 1 half-moves
17 Kb7 loss in 1 half-moves
18 Kb8 loss in 1 half-moves
19 Rb2 loss in 1 half-moves
20 Rb6 loss in 1 half-moves
21 Rb7 loss in 1 half-moves
22 Rb8 loss in 1 half-moves