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 Ka7 draw
3 Kb7 draw
4 Rb2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Rg8 draw
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Re8 loss in 1 half-moves
15 Rf8 loss in 1 half-moves