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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Ka6 draw
3 Ka7 draw
4 Kb6 draw
5 Kb8 draw
6 Kc6 draw
7 Kc7 draw
8 Kc8 draw
9 Ra4 draw
10 Rc4 draw
11 Rg4 draw
12 Rh4 draw
13 Ka8 loss in 14 half-moves
14 Rb1 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves