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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rc8 win in 1 half-moves
3 Kgg7 draw
4 Kh7 draw
5 Kh8 draw
6 Ra8 draw
7 Rb2 draw
8 Rd8 draw
9 Re8 draw
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kfg7 loss in 2 half-moves
13 Kff7 loss in 1 half-moves
14 Kgf7 loss in 1 half-moves
15 Rb3 loss in 1 half-moves
16 Rb4 loss in 1 half-moves
17 Rb5 loss in 1 half-moves
18 Rb6 loss in 1 half-moves
19 Rb7 loss in 1 half-moves