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 K6b7 draw
3 Rb3 draw
4 Rb4 draw
5 Rc2 draw
6 Rd2 draw
7 Re2 draw
8 Rg2 draw
9 Ka5 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Ka8 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Rb1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 K6a7 loss in 1 half-moves
21 K6c7 loss in 1 half-moves
22 K8a7 loss in 1 half-moves
23 K8b7 loss in 1 half-moves
24 K8c7 loss in 1 half-moves