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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rd1 win in 1 half-moves
3 Rb6 draw
4 Rb7 draw
5 K6a7 loss in 2 half-moves
6 K8a7 loss in 2 half-moves
7 Ka5 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Ra1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 K6b7 loss in 1 half-moves
19 K8b7 loss in 1 half-moves
20 Kb5 loss in 1 half-moves
21 Kb6 loss in 1 half-moves
22 Rb5 loss in 1 half-moves