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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 K6b7 draw
3 Rb3 draw
4 Rb4 draw
5 Rb5 draw
6 K6a7 loss in 2 half-moves
7 K8a7 loss in 2 half-moves
8 K8b7 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Kb5 loss in 1 half-moves