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

EGTB: win in 2 half-moves

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