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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Rf4 win in 1 half-moves
4 Kaa4 draw
5 Kba4 draw
6 Kc3 draw
7 Rb6 draw
8 Rc4 draw
9 Ra4 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Kaa2 loss in 1 half-moves
16 Kab2 loss in 1 half-moves
17 Kba2 loss in 1 half-moves
18 Kbb2 loss in 1 half-moves
19 Kc2 loss in 1 half-moves
20 Kc4 loss in 1 half-moves