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 Rh8 win in 1 half-moves
3 Ka7 draw
4 Kb7 draw
5 Rf8 draw
6 Rg8 loss in 8 half-moves
7 Rb5 loss in 2 half-moves
8 Rb6 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rc8 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rb1 loss in 1 half-moves
14 Rb2 loss in 1 half-moves
15 Rb3 loss in 1 half-moves