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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 Re8 win in 3 half-moves
3 Ra1 draw
4 Rb1 draw
5 Rc1 draw
6 Re4 draw
7 Re5 draw
8 Re6 draw
9 Rg1 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 Rd1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves