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 Rb2 win in 3 half-moves
3 Ra5 draw
4 Rc5 draw
5 Kg1 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kh2 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rd5 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rh5 loss in 2 half-moves
16 Rb3 loss in 1 half-moves
17 Rg5 loss in 1 half-moves