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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Rb2 draw
3 Rb4 draw
4 Rb6 draw
5 Rb8 draw
6 g8=B loss in 2 half-moves
7 g8=K loss in 2 half-moves
8 g8=N loss in 2 half-moves
9 g8=Q loss in 2 half-moves
10 g8=R loss in 2 half-moves
11 Nf5 loss in 2 half-moves
12 Nf7 loss in 2 half-moves
13 Ng4 loss in 2 half-moves
14 Ng8 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh1 loss in 2 half-moves