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

EGTB: win in 2 half-moves

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