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