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 Ka7 draw
3 Kb7 draw
4 Ra4 draw
5 Rb1 draw
6 Rb2 draw
7 Re4 draw
8 Rf4 draw
9 Rh4 draw
10 Kb8 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves