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 Kb2 draw
4 Rb7 draw
5 Rb8 draw
6 Rc5 draw
7 Rd5 draw
8 Re5 draw
9 Rf5 draw
10 Rh5 draw
11 Kb1 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rg5 loss in 2 half-moves