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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka2 draw
3 Kb2 draw
4 Kc2 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rc4 draw
9 Rd4 draw
10 Re4 draw
11 Rf4 draw
12 Rh4 draw
13 Ka3 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves