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 Rb6 draw
3 Rc8 draw
4 Rd8 draw
5 Rf8 draw
6 Rg8 draw
7 Rh8 draw
8 Ka2 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb7 loss in 1 half-moves
19 Re8 loss in 1 half-moves