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

EGTB: win in 6 half-moves

# move score
1 Re1 win in 5 half-moves
2 Re2 win in 5 half-moves
3 Re8 draw
4 Rf4 draw
5 Kg1 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kh2 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rd4 loss in 2 half-moves
11 Re3 loss in 2 half-moves
12 Re5 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Rc4 loss in 1 half-moves