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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Ra8 draw
6 Rb1 draw
7 Rb7 draw
8 Rc8 loss in 4 half-moves
9 Re8 loss in 4 half-moves
10 Rf8 loss in 4 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves