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

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Re5 win in 3 half-moves
3 Re6 win in 3 half-moves
4 Re7 win in 3 half-moves
5 Ra1 draw
6 Rb1 draw
7 Re8 draw
8 Rf1 draw
9 K5g5 loss in 2 half-moves
10 K5g6 loss in 2 half-moves
11 K6g5 loss in 2 half-moves
12 K6g6 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kh4 loss in 2 half-moves
16 Kh7 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rd1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rh1 loss in 2 half-moves