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

EGTB: win in 6 half-moves

# move score
1 Ra4 win in 5 half-moves
2 Rd1 draw
3 Rd2 draw
4 Rd3 draw
5 Rd6 draw
6 Re4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 Kaa7 loss in 2 half-moves
11 Kab7 loss in 2 half-moves
12 Kba7 loss in 2 half-moves
13 Kbb7 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kc8 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves