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 a3 draw
3 Kf7 draw
4 Kf8 draw
5 Kg7 draw
6 Kh7 draw
7 Kh8 draw
8 Rb6 draw
9 Rb7 draw
10 Rc8 draw
11 Rd8 draw
12 Ra8 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves