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

EGTB: win in 8 half-moves

# move score
1 Rh2 win in 7 half-moves
2 R2b3 draw
3 R4b3 draw
4 Ra2 draw
5 Ra4 draw
6 Rb1 draw
7 Rb5 draw
8 Rc2 draw
9 Rc4 draw
10 Rd2 draw
11 Rd4 draw
12 Rh4 draw
13 Rb6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg4 loss in 2 half-moves