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 K6a7 draw
3 K6b7 draw
4 K6c7 draw
5 K8a7 draw
6 K8b7 draw
7 K8c7 draw
8 Ka5 draw
9 Ka6 draw
10 Ka8 draw
11 Kb5 draw
12 Kc5 draw
13 Kc6 draw
14 Kc8 draw
15 Ra3 draw
16 Rb4 draw
17 Rf3 draw
18 Rg3 draw
19 Rh3 draw
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rd3 loss in 2 half-moves
24 Re3 loss in 2 half-moves