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 Rb5 draw
3 Rb6 draw
4 Rb7 draw
5 Rc2 draw
6 Rd2 draw
7 Rg2 draw
8 Rh2 draw
9 Ka2 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Re2 loss in 1 half-moves
16 Rf2 loss in 1 half-moves