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 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Rb2 draw
8 Rb3 draw
9 Rb7 draw
10 Rb8 draw
11 Rc5 draw
12 Re5 draw
13 Rf5 draw
14 Rg5 draw
15 Ra5 loss in 8 half-moves
16 Rb1 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rh5 loss in 1 half-moves