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 Ka7 draw
3 Ka8 draw
4 Kb7 draw
5 Kc7 draw
6 Kc8 draw
7 Ra5 draw
8 Rb4 draw
9 Rb6 draw
10 Rc5 draw
11 Rd5 draw
12 Re5 draw
13 Rf5 draw
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rh5 loss in 2 half-moves