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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb3 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Ra7 draw
5 Rb2 draw
6 Rb5 draw
7 Rb6 draw
8 Re7 draw
9 Rf7 draw
10 Rg7 draw
11 Kg1 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 K1g2 loss in 1 half-moves
20 K1h2 loss in 1 half-moves
21 K3g2 loss in 1 half-moves
22 K3h2 loss in 1 half-moves