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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb4 draw
3 Rd1 draw
4 Re1 draw
5 Rf1 draw
6 Rh1 draw
7 K6a7 loss in 2 half-moves
8 K6b7 loss in 2 half-moves
9 K6c7 loss in 2 half-moves
10 K8a7 loss in 2 half-moves
11 K8b7 loss in 2 half-moves
12 K8c7 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Ka6 loss in 2 half-moves
15 Ka8 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves