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