Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Rf5 win in 1 half-moves
4 Ka3 draw
5 Ka4 draw
6 Kb3 draw
7 Kc3 draw
8 Kc4 draw
9 Re5 draw
10 Rg5 draw
11 Rh5 draw
12 Ka5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rb8 loss in 1 half-moves