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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Rd1 loss in 8 half-moves
3 Rd2 loss in 6 half-moves
4 Rd3 loss in 4 half-moves
5 Rd8 loss in 4 half-moves
6 Kg1 loss in 2 half-moves
7 Kg2 loss in 2 half-moves
8 Kh2 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd5 loss in 2 half-moves
13 Rd6 loss in 2 half-moves
14 Rd7 loss in 1 half-moves
15 Rf4 loss in 1 half-moves
16 Rg4 loss in 1 half-moves
17 Rh4 loss in 1 half-moves