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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Rb3 draw
5 Rb4 draw
6 Rb7 draw
7 Rd2 draw
8 Re2 draw
9 Rf2 draw
10 Rg2 draw
11 K6g7 loss in 2 half-moves
12 K6h7 loss in 2 half-moves
13 K8g7 loss in 2 half-moves
14 K8h7 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kg6 loss in 2 half-moves
17 Kg8 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves