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 Rg8 win in 1 half-moves
3 Ka2 draw
4 Ka3 draw
5 Ka4 draw
6 Ka7 draw
7 Kb2 draw
8 Kb7 draw
9 Rb6 draw
10 Rb7 draw
11 Rh8 draw
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 Rb4 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves