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

EGTB: win in 2 half-moves

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