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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rc1 draw
3 Rc2 draw
4 Rc3 draw
5 Rd4 draw
6 Re4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 K2g1 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kh3 loss in 2 half-moves
13 K1g1 loss in 1 half-moves
14 K1g2 loss in 1 half-moves
15 K2g2 loss in 1 half-moves
16 Ra4 loss in 1 half-moves
17 Rc5 loss in 1 half-moves
18 Rc6 loss in 1 half-moves
19 Rc7 loss in 1 half-moves
20 Rc8 loss in 1 half-moves