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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ra1 draw
3 Ra2 draw
4 Rd4 draw
5 Re4 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 Kba6 loss in 2 half-moves
10 Kc4 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kc6 loss in 2 half-moves
13 Kaa6 loss in 1 half-moves
14 Kab4 loss in 1 half-moves
15 Kab6 loss in 1 half-moves
16 Kbb4 loss in 1 half-moves
17 Kbb6 loss in 1 half-moves
18 Ra3 loss in 1 half-moves
19 Rc4 loss in 1 half-moves