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 Kaa5 draw
3 Kaa7 draw
4 Kab5 draw
5 Kab7 draw
6 Kba5 draw
7 Kba7 draw
8 Kbb5 draw
9 Kbb7 draw
10 Kc6 draw
11 Kc7 draw
12 Ra3 draw
13 Rb4 draw
14 Rf3 draw
15 Rg3 draw
16 Rh3 draw
17 Kc5 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Re3 loss in 2 half-moves