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

EGTB: win in 4 half-moves

# move score
1 Ke1 win in 3 half-moves
2 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd3 draw
6 Ra4 draw
7 Rb4 draw
8 Rc4 draw
9 Rd4 draw
10 Re2 draw
11 Kd1 loss in 4 half-moves
12 Re5 loss in 4 half-moves
13 Re6 loss in 4 half-moves
14 Re7 loss in 4 half-moves
15 Re8 loss in 4 half-moves
16 Ke2 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves