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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Re6 draw
3 Rf6 draw
4 Rg6 draw
5 Ka2 loss in 2 half-moves
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Ra6 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rd6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rc6 loss in 1 half-moves