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 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Ra5 draw
7 Rb1 draw
8 Rb2 draw
9 Rb3 draw
10 Rb6 draw
11 Rc5 draw
12 Rd5 draw
13 Re5 draw
14 Rf5 draw
15 Kb3 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves