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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ra4 draw
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Rb7 draw
7 Rc4 draw
8 Rd4 draw
9 d8=B loss in 2 half-moves
10 d8=K loss in 2 half-moves
11 d8=N loss in 2 half-moves
12 d8=Q loss in 2 half-moves
13 d8=R loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves