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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Nb6 draw
3 Nc7 draw
4 Rb5 draw
5 Rb6 draw
6 Rb7 draw
7 Rb8 draw
8 Rc4 draw
9 Ra4 loss in 4 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rd4 loss in 1 half-moves